81442558

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 124107984

約数和(自身を除く): 42665426

約数列:

[1, 2, 97, 194, 197, 394, 2131, 4262, 19109, 38218, 206707, 413414, 419807, 839614, 40721279, 81442558]

約数ペア:

[(1, 81442558), (2, 40721279), (97, 839614), (194, 419807), (197, 413414), (394, 206707), (2131, 38218), (4262, 19109)]