31991194

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3463}}^1$

素因数の和:3645

約数の個数: 16

約数和(自身を含む): 49881600

約数和(自身を除く): 17890406

約数列:

[1, 2, 31, 62, 149, 298, 3463, 4619, 6926, 9238, 107353, 214706, 515987, 1031974, 15995597, 31991194]

約数ペア:

[(1, 31991194), (2, 15995597), (31, 1031974), (62, 515987), (149, 214706), (298, 107353), (3463, 9238), (4619, 6926)]