31215376

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{20113}}^1$

素因数の和:20218

約数の個数: 20

約数和(自身を含む): 61106332

約数和(自身を除く): 29890956

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 20113, 40226, 80452, 160904, 321808, 1950961, 3901922, 7803844, 15607688, 31215376]

約数ペア:

[(1, 31215376), (2, 15607688), (4, 7803844), (8, 3901922), (16, 1950961), (97, 321808), (194, 160904), (388, 80452), (776, 40226), (1552, 20113)]