4047290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 7934976

約数和(自身を除く): 3887686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 191, 326, 382, 815, 955, 1630, 1910, 2119, 2483, 4238, 4966, 10595, 12415, 21190, 24830, 31133, 62266, 155665, 311330, 404729, 809458, 2023645, 4047290]

約数ペア:

[(1, 4047290), (2, 2023645), (5, 809458), (10, 404729), (13, 311330), (26, 155665), (65, 62266), (130, 31133), (163, 24830), (191, 21190), (326, 12415), (382, 10595), (815, 4966), (955, 4238), (1630, 2483), (1910, 2119)]