201721690

素因数分解:

$2^1\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{12743}}^1$

素因数の和:14333

約数の個数: 16

約数和(自身を含む): 363356928

約数和(自身を除く): 161635238

約数列:

[1, 2, 5, 10, 1583, 3166, 7915, 12743, 15830, 25486, 63715, 127430, 20172169, 40344338, 100860845, 201721690]

約数ペア:

[(1, 201721690), (2, 100860845), (5, 40344338), (10, 20172169), (1583, 127430), (3166, 63715), (7915, 25486), (12743, 15830)]