256030008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{820609}}^1$

素因数の和:820631

約数の個数: 32

約数和(自身を含む): 689312400

約数和(自身を除く): 433282392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 820609, 1641218, 2461827, 3282436, 4923654, 6564872, 9847308, 10667917, 19694616, 21335834, 32003751, 42671668, 64007502, 85343336, 128015004, 256030008]

約数ペア:

[(1, 256030008), (2, 128015004), (3, 85343336), (4, 64007502), (6, 42671668), (8, 32003751), (12, 21335834), (13, 19694616), (24, 10667917), (26, 9847308), (39, 6564872), (52, 4923654), (78, 3282436), (104, 2461827), (156, 1641218), (312, 820609)]