81518964

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{523}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 197191680

約数和(自身を除く): 115672716

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 419, 523, 838, 1046, 1257, 1569, 1676, 2092, 2514, 3138, 5028, 6276, 12989, 16213, 25978, 32426, 38967, 48639, 51956, 64852, 77934, 97278, 155868, 194556, 219137, 438274, 657411, 876548, 1314822, 2629644, 6793247, 13586494, 20379741, 27172988, 40759482, 81518964]

約数ペア:

[(1, 81518964), (2, 40759482), (3, 27172988), (4, 20379741), (6, 13586494), (12, 6793247), (31, 2629644), (62, 1314822), (93, 876548), (124, 657411), (186, 438274), (372, 219137), (419, 194556), (523, 155868), (838, 97278), (1046, 77934), (1257, 64852), (1569, 51956), (1676, 48639), (2092, 38967), (2514, 32426), (3138, 25978), (5028, 16213), (6276, 12989)]