81387904

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{829}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 177786000

約数和(自身を除く): 96398096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 128, 208, 236, 416, 472, 767, 829, 832, 944, 1534, 1658, 1664, 1888, 3068, 3316, 3776, 6136, 6632, 7552, 10777, 12272, 13264, 21554, 24544, 26528, 43108, 48911, 49088, 53056, 86216, 97822, 98176, 106112, 172432, 195644, 344864, 391288, 635843, 689728, 782576, 1271686, 1379456, 1565152, 2543372, 3130304, 5086744, 6260608, 10173488, 20346976, 40693952, 81387904]

約数ペア:

[(1, 81387904), (2, 40693952), (4, 20346976), (8, 10173488), (13, 6260608), (16, 5086744), (26, 3130304), (32, 2543372), (52, 1565152), (59, 1379456), (64, 1271686), (104, 782576), (118, 689728), (128, 635843), (208, 391288), (236, 344864), (416, 195644), (472, 172432), (767, 106112), (829, 98176), (832, 97822), (944, 86216), (1534, 53056), (1658, 49088), (1664, 48911), (1888, 43108), (3068, 26528), (3316, 24544), (3776, 21554), (6136, 13264), (6632, 12272), (7552, 10777)]