217800648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 192

約数和(自身を含む): 688833600

約数和(自身を除く): 471032952

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, 331, 333, 342, 444, 456, 468, 481, 494, 662, 666, 684, 703, 741, 888, 936, 962, 988, 993, 1324, 1332, 1368, 1406, 1443, 1482, 1924, 1976, 1986, 2109, 2223, 2648, 2664, 2812, 2886, 2964, 2979, 3848, 3972, 4218, 4303, 4329, 4446, 5624, 5772, 5928, 5958, 6289, 6327, 7944, 8436, 8606, 8658, 8892, 9139, 11544, 11916, 12247, 12578, 12654, 12909, 16872, 17212, 17316, 17784, 18278, 18867, 23832, 24494, 25156, 25308, 25818, 27417, 34424, 34632, 36556, 36741, 37734, 38727, 48988, 50312, 50616, 51636, 54834, 56601, 73112, 73482, 75468, 77454, 81757, 82251, 97976, 103272, 109668, 110223, 113202, 146964, 150936, 154908, 159211, 163514, 164502, 219336, 220446, 226404, 232693, 245271, 293928, 309816, 318422, 327028, 329004, 440892, 452808, 465386, 477633, 490542, 636844, 654056, 658008, 698079, 735813, 881784, 930772, 955266, 981084, 1273688, 1396158, 1432899, 1471626, 1861544, 1910532, 1962168, 2094237, 2792316, 2865798, 2943252, 3025009, 3821064, 4188474, 5584632, 5731596, 5886504, 6050018, 8376948, 9075027, 11463192, 12100036, 16753896, 18150054, 24200072, 27225081, 36300108, 54450162, 72600216, 108900324, 217800648]

約数ペア:

[(1, 217800648), (2, 108900324), (3, 72600216), (4, 54450162), (6, 36300108), (8, 27225081), (9, 24200072), (12, 18150054), (13, 16753896), (18, 12100036), (19, 11463192), (24, 9075027), (26, 8376948), (36, 6050018), (37, 5886504), (38, 5731596), (39, 5584632), (52, 4188474), (57, 3821064), (72, 3025009), (74, 2943252), (76, 2865798), (78, 2792316), (104, 2094237), (111, 1962168), (114, 1910532), (117, 1861544), (148, 1471626), (152, 1432899), (156, 1396158), (171, 1273688), (222, 981084), (228, 955266), (234, 930772), (247, 881784), (296, 735813), (312, 698079), (331, 658008), (333, 654056), (342, 636844), (444, 490542), (456, 477633), (468, 465386), (481, 452808), (494, 440892), (662, 329004), (666, 327028), (684, 318422), (703, 309816), (741, 293928), (888, 245271), (936, 232693), (962, 226404), (988, 220446), (993, 219336), (1324, 164502), (1332, 163514), (1368, 159211), (1406, 154908), (1443, 150936), (1482, 146964), (1924, 113202), (1976, 110223), (1986, 109668), (2109, 103272), (2223, 97976), (2648, 82251), (2664, 81757), (2812, 77454), (2886, 75468), (2964, 73482), (2979, 73112), (3848, 56601), (3972, 54834), (4218, 51636), (4303, 50616), (4329, 50312), (4446, 48988), (5624, 38727), (5772, 37734), (5928, 36741), (5958, 36556), (6289, 34632), (6327, 34424), (7944, 27417), (8436, 25818), (8606, 25308), (8658, 25156), (8892, 24494), (9139, 23832), (11544, 18867), (11916, 18278), (12247, 17784), (12578, 17316), (12654, 17212), (12909, 16872)]