989813612

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{617}}^1\times {\mathrm{1031}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 1741128480

約数和(自身を除く): 751314868

約数列:

[1, 2, 4, 389, 617, 778, 1031, 1234, 1556, 2062, 2468, 4124, 240013, 401059, 480026, 636127, 802118, 960052, 1272254, 1604236, 2544508, 247453403, 494906806, 989813612]

約数ペア:

[(1, 989813612), (2, 494906806), (4, 247453403), (389, 2544508), (617, 1604236), (778, 1272254), (1031, 960052), (1234, 802118), (1556, 636127), (2062, 480026), (2468, 401059), (4124, 240013)]