138042721

素因数分解:

${\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 145248768

約数和(自身を除く): 7206047

約数列:

[1, 31, 113, 157, 251, 3503, 4867, 7781, 17741, 28363, 39407, 549971, 879253, 1221617, 4452991, 138042721]

約数ペア:

[(1, 138042721), (31, 4452991), (113, 1221617), (157, 879253), (251, 549971), (3503, 39407), (4867, 28363), (7781, 17741)]