1981792990

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{598729}}^1$

素因数の和:599067

約数の個数: 16

約数和(自身を含む): 3578010480

約数和(自身を除く): 1596217490

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 598729, 1197458, 2993645, 5987290, 198179299, 396358598, 990896495, 1981792990]

約数ペア:

[(1, 1981792990), (2, 990896495), (5, 396358598), (10, 198179299), (331, 5987290), (662, 2993645), (1655, 1197458), (3310, 598729)]