81274064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163859}}^1$

素因数の和:163898

約数の個数: 20

約数和(自身を含む): 162549120

約数和(自身を除く): 81275056

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 163859, 327718, 655436, 1310872, 2621744, 5079629, 10159258, 20318516, 40637032, 81274064]

約数ペア:

[(1, 81274064), (2, 40637032), (4, 20318516), (8, 10159258), (16, 5079629), (31, 2621744), (62, 1310872), (124, 655436), (248, 327718), (496, 163859)]