3981578

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:613

約数の個数: 16

約数和(自身を含む): 6220800

約数和(自身を除く): 2239222

約数列:

[1, 2, 31, 62, 149, 298, 431, 862, 4619, 9238, 13361, 26722, 64219, 128438, 1990789, 3981578]

約数ペア:

[(1, 3981578), (2, 1990789), (31, 128438), (62, 64219), (149, 26722), (298, 13361), (431, 9238), (862, 4619)]