68658928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 150052896

約数和(自身を除く): 81393968

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 83, 97, 104, 164, 166, 194, 208, 328, 332, 388, 533, 656, 664, 776, 1066, 1079, 1261, 1328, 1552, 2132, 2158, 2522, 3403, 3977, 4264, 4316, 5044, 6806, 7954, 8051, 8528, 8632, 10088, 13612, 15908, 16102, 17264, 20176, 27224, 31816, 32204, 44239, 51701, 54448, 63632, 64408, 88478, 103402, 104663, 128816, 176956, 206804, 209326, 330091, 353912, 413608, 418652, 660182, 707824, 827216, 837304, 1320364, 1674608, 2640728, 4291183, 5281456, 8582366, 17164732, 34329464, 68658928]

約数ペア:

[(1, 68658928), (2, 34329464), (4, 17164732), (8, 8582366), (13, 5281456), (16, 4291183), (26, 2640728), (41, 1674608), (52, 1320364), (82, 837304), (83, 827216), (97, 707824), (104, 660182), (164, 418652), (166, 413608), (194, 353912), (208, 330091), (328, 209326), (332, 206804), (388, 176956), (533, 128816), (656, 104663), (664, 103402), (776, 88478), (1066, 64408), (1079, 63632), (1261, 54448), (1328, 51701), (1552, 44239), (2132, 32204), (2158, 31816), (2522, 27224), (3403, 20176), (3977, 17264), (4264, 16102), (4316, 15908), (5044, 13612), (6806, 10088), (7954, 8632), (8051, 8528)]