891036770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{22039}}^1$

素因数の和:22370

約数の個数: 32

約数和(自身を含む): 1732872960

約数和(自身を除く): 841836190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 1555, 3110, 4043, 8086, 20215, 22039, 40430, 44078, 110195, 220390, 286507, 573014, 1432535, 2865070, 6854129, 13708258, 34270645, 68541290, 89103677, 178207354, 445518385, 891036770]

約数ペア:

[(1, 891036770), (2, 445518385), (5, 178207354), (10, 89103677), (13, 68541290), (26, 34270645), (65, 13708258), (130, 6854129), (311, 2865070), (622, 1432535), (1555, 573014), (3110, 286507), (4043, 220390), (8086, 110195), (20215, 44078), (22039, 40430)]