31081538

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{1019}}^1$

素因数の和:1273

約数の個数: 16

約数和(自身を含む): 47442240

約数和(自身を除く): 16360702

約数列:

[1, 2, 101, 151, 202, 302, 1019, 2038, 15251, 30502, 102919, 153869, 205838, 307738, 15540769, 31081538]

約数ペア:

[(1, 31081538), (2, 15540769), (101, 307738), (151, 205838), (202, 153869), (302, 102919), (1019, 30502), (2038, 15251)]