28216970

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{26371}}^1$

素因数の和:26485

約数の個数: 16

約数和(自身を含む): 51267168

約数和(自身を除く): 23050198

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 26371, 52742, 131855, 263710, 2821697, 5643394, 14108485, 28216970]

約数ペア:

[(1, 28216970), (2, 14108485), (5, 5643394), (10, 2821697), (107, 263710), (214, 131855), (535, 52742), (1070, 26371)]