81559758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 193167360

約数和(自身を除く): 111607602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 79, 94, 141, 158, 237, 282, 329, 474, 523, 553, 658, 987, 1046, 1106, 1569, 1659, 1974, 3138, 3318, 3661, 3713, 7322, 7426, 10983, 11139, 21966, 22278, 24581, 25991, 41317, 49162, 51982, 73743, 77973, 82634, 123951, 147486, 155946, 172067, 247902, 289219, 344134, 516201, 578438, 867657, 1032402, 1735314, 1941899, 3883798, 5825697, 11651394, 13593293, 27186586, 40779879, 81559758]

約数ペア:

[(1, 81559758), (2, 40779879), (3, 27186586), (6, 13593293), (7, 11651394), (14, 5825697), (21, 3883798), (42, 1941899), (47, 1735314), (79, 1032402), (94, 867657), (141, 578438), (158, 516201), (237, 344134), (282, 289219), (329, 247902), (474, 172067), (523, 155946), (553, 147486), (658, 123951), (987, 82634), (1046, 77973), (1106, 73743), (1569, 51982), (1659, 49162), (1974, 41317), (3138, 25991), (3318, 24581), (3661, 22278), (3713, 21966), (7322, 11139), (7426, 10983)]