309481228

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{22511}}^1$

素因数の和:23013

約数の個数: 24

約数和(自身を含む): 620250624

約数和(自身を除く): 310769396

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 13748, 22511, 45022, 90044, 157577, 315154, 630308, 11052901, 22105802, 44211604, 77370307, 154740614, 309481228]

約数ペア:

[(1, 309481228), (2, 154740614), (4, 77370307), (7, 44211604), (14, 22105802), (28, 11052901), (491, 630308), (982, 315154), (1964, 157577), (3437, 90044), (6874, 45022), (13748, 22511)]