261229176

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 825770400

約数和(自身を除く): 564541224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 37, 38, 39, 52, 57, 72, 74, 76, 78, 104, 111, 114, 117, 148, 152, 156, 171, 222, 228, 234, 247, 296, 312, 333, 342, 397, 444, 456, 468, 481, 494, 666, 684, 703, 741, 794, 888, 936, 962, 988, 1191, 1332, 1368, 1406, 1443, 1482, 1588, 1924, 1976, 2109, 2223, 2382, 2664, 2812, 2886, 2964, 3176, 3573, 3848, 4218, 4329, 4446, 4764, 5161, 5624, 5772, 5928, 6327, 7146, 7543, 8436, 8658, 8892, 9139, 9528, 10322, 11544, 12654, 14292, 14689, 15086, 15483, 16872, 17316, 17784, 18278, 20644, 22629, 25308, 27417, 28584, 29378, 30172, 30966, 34632, 36556, 41288, 44067, 45258, 46449, 50616, 54834, 58756, 60344, 61932, 67887, 73112, 82251, 88134, 90516, 92898, 98059, 109668, 117512, 123864, 132201, 135774, 164502, 176268, 181032, 185796, 190957, 196118, 219336, 264402, 271548, 279091, 294177, 329004, 352536, 371592, 381914, 392236, 528804, 543096, 558182, 572871, 588354, 658008, 763828, 784472, 837273, 882531, 1057608, 1116364, 1145742, 1176708, 1527656, 1674546, 1718613, 1765062, 2232728, 2291484, 2353416, 2511819, 3349092, 3437226, 3530124, 3628183, 4582968, 5023638, 6698184, 6874452, 7060248, 7256366, 10047276, 10884549, 13748904, 14512732, 20094552, 21769098, 29025464, 32653647, 43538196, 65307294, 87076392, 130614588, 261229176]

約数ペア:

[(1, 261229176), (2, 130614588), (3, 87076392), (4, 65307294), (6, 43538196), (8, 32653647), (9, 29025464), (12, 21769098), (13, 20094552), (18, 14512732), (19, 13748904), (24, 10884549), (26, 10047276), (36, 7256366), (37, 7060248), (38, 6874452), (39, 6698184), (52, 5023638), (57, 4582968), (72, 3628183), (74, 3530124), (76, 3437226), (78, 3349092), (104, 2511819), (111, 2353416), (114, 2291484), (117, 2232728), (148, 1765062), (152, 1718613), (156, 1674546), (171, 1527656), (222, 1176708), (228, 1145742), (234, 1116364), (247, 1057608), (296, 882531), (312, 837273), (333, 784472), (342, 763828), (397, 658008), (444, 588354), (456, 572871), (468, 558182), (481, 543096), (494, 528804), (666, 392236), (684, 381914), (703, 371592), (741, 352536), (794, 329004), (888, 294177), (936, 279091), (962, 271548), (988, 264402), (1191, 219336), (1332, 196118), (1368, 190957), (1406, 185796), (1443, 181032), (1482, 176268), (1588, 164502), (1924, 135774), (1976, 132201), (2109, 123864), (2223, 117512), (2382, 109668), (2664, 98059), (2812, 92898), (2886, 90516), (2964, 88134), (3176, 82251), (3573, 73112), (3848, 67887), (4218, 61932), (4329, 60344), (4446, 58756), (4764, 54834), (5161, 50616), (5624, 46449), (5772, 45258), (5928, 44067), (6327, 41288), (7146, 36556), (7543, 34632), (8436, 30966), (8658, 30172), (8892, 29378), (9139, 28584), (9528, 27417), (10322, 25308), (11544, 22629), (12654, 20644), (14292, 18278), (14689, 17784), (15086, 17316), (15483, 16872)]