81275552

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{81931}}^1$

素因数の和:81972

約数の個数: 24

約数和(自身を含む): 165174912

約数和(自身を除く): 83899360

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 81931, 163862, 327724, 655448, 1310896, 2539861, 2621792, 5079722, 10159444, 20318888, 40637776, 81275552]

約数ペア:

[(1, 81275552), (2, 40637776), (4, 20318888), (8, 10159444), (16, 5079722), (31, 2621792), (32, 2539861), (62, 1310896), (124, 655448), (248, 327724), (496, 163862), (992, 81931)]