205149568

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 470211840

約数和(自身を除く): 265062272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 64, 82, 97, 104, 124, 128, 164, 194, 208, 248, 328, 388, 403, 416, 496, 533, 656, 776, 806, 832, 992, 1066, 1261, 1271, 1312, 1552, 1612, 1664, 1984, 2132, 2522, 2542, 2624, 3007, 3104, 3224, 3968, 3977, 4264, 5044, 5084, 5248, 6014, 6208, 6448, 7954, 8528, 10088, 10168, 12028, 12416, 12896, 15908, 16523, 17056, 20176, 20336, 24056, 25792, 31816, 33046, 34112, 39091, 40352, 40672, 48112, 51584, 51701, 63632, 66092, 68224, 78182, 80704, 81344, 96224, 103402, 123287, 127264, 132184, 156364, 161408, 162688, 192448, 206804, 246574, 254528, 264368, 312728, 384896, 413608, 493148, 509056, 528736, 625456, 827216, 986296, 1057472, 1250912, 1602731, 1654432, 1972592, 2114944, 2501824, 3205462, 3308864, 3945184, 5003648, 6410924, 6617728, 7890368, 12821848, 15780736, 25643696, 51287392, 102574784, 205149568]

約数ペア:

[(1, 205149568), (2, 102574784), (4, 51287392), (8, 25643696), (13, 15780736), (16, 12821848), (26, 7890368), (31, 6617728), (32, 6410924), (41, 5003648), (52, 3945184), (62, 3308864), (64, 3205462), (82, 2501824), (97, 2114944), (104, 1972592), (124, 1654432), (128, 1602731), (164, 1250912), (194, 1057472), (208, 986296), (248, 827216), (328, 625456), (388, 528736), (403, 509056), (416, 493148), (496, 413608), (533, 384896), (656, 312728), (776, 264368), (806, 254528), (832, 246574), (992, 206804), (1066, 192448), (1261, 162688), (1271, 161408), (1312, 156364), (1552, 132184), (1612, 127264), (1664, 123287), (1984, 103402), (2132, 96224), (2522, 81344), (2542, 80704), (2624, 78182), (3007, 68224), (3104, 66092), (3224, 63632), (3968, 51701), (3977, 51584), (4264, 48112), (5044, 40672), (5084, 40352), (5248, 39091), (6014, 34112), (6208, 33046), (6448, 31816), (7954, 25792), (8528, 24056), (10088, 20336), (10168, 20176), (12028, 17056), (12416, 16523), (12896, 15908)]