256985090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{4567}}^1$

素因数の和:4922

約数の個数: 32

約数和(自身を含む): 491370624

約数和(自身を除く): 234385534

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 331, 662, 1655, 3310, 4567, 5627, 9134, 11254, 22835, 28135, 45670, 56270, 77639, 155278, 388195, 776390, 1511677, 3023354, 7558385, 15116770, 25698509, 51397018, 128492545, 256985090]

約数ペア:

[(1, 256985090), (2, 128492545), (5, 51397018), (10, 25698509), (17, 15116770), (34, 7558385), (85, 3023354), (170, 1511677), (331, 776390), (662, 388195), (1655, 155278), (3310, 77639), (4567, 56270), (5627, 45670), (9134, 28135), (11254, 22835)]