3979856

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{991}}^1$

素因数の和:1250

約数の個数: 20

約数和(自身を含む): 7749504

約数和(自身を除く): 3769648

約数列:

[1, 2, 4, 8, 16, 251, 502, 991, 1004, 1982, 2008, 3964, 4016, 7928, 15856, 248741, 497482, 994964, 1989928, 3979856]

約数ペア:

[(1, 3979856), (2, 1989928), (4, 994964), (8, 497482), (16, 248741), (251, 15856), (502, 7928), (991, 4016), (1004, 3964), (1982, 2008)]