81251658

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{57139}}^1$

素因数の和:57226

約数の個数: 24

約数和(自身を含む): 178276800

約数和(自身を除く): 97025142

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 57139, 114278, 171417, 342834, 514251, 1028502, 4513981, 9027962, 13541943, 27083886, 40625829, 81251658]

約数ペア:

[(1, 81251658), (2, 40625829), (3, 27083886), (6, 13541943), (9, 9027962), (18, 4513981), (79, 1028502), (158, 514251), (237, 342834), (474, 171417), (711, 114278), (1422, 57139)]