28937989870

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4514507}}^1$

素因数の和:4515155

約数の個数: 16

約数和(自身を含む): 52169654448

約数和(自身を除く): 23231664578

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 4514507, 9029014, 22572535, 45145070, 2893798987, 5787597974, 14468994935, 28937989870]

約数ペア:

[(1, 28937989870), (2, 14468994935), (5, 5787597974), (10, 2893798987), (641, 45145070), (1282, 22572535), (3205, 9029014), (6410, 4514507)]