139909417

素因数分解:

${\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 147879424

約数和(自身を除く): 7970007

約数列:

[1, 31, 61, 241, 307, 1891, 7471, 9517, 14701, 18727, 73987, 455731, 580537, 2293597, 4513207, 139909417]

約数ペア:

[(1, 139909417), (31, 4513207), (61, 2293597), (241, 580537), (307, 455731), (1891, 73987), (7471, 18727), (9517, 14701)]