439560290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{47623}}^1$

素因数の和:47714

約数の個数: 32

約数和(自身を含む): 864089856

約数和(自身を除く): 424529566

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 47623, 95246, 238115, 476230, 619099, 1238198, 3095495, 3381233, 6190990, 6762466, 16906165, 33812330, 43956029, 87912058, 219780145, 439560290]

約数ペア:

[(1, 439560290), (2, 219780145), (5, 87912058), (10, 43956029), (13, 33812330), (26, 16906165), (65, 6762466), (71, 6190990), (130, 3381233), (142, 3095495), (355, 1238198), (710, 619099), (923, 476230), (1846, 238115), (4615, 95246), (9230, 47623)]