6665890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 15091776

約数和(自身を除く): 8425886

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 787, 847, 1210, 1574, 1694, 3935, 4235, 5509, 7870, 8470, 8657, 11018, 17314, 27545, 43285, 55090, 60599, 86570, 95227, 121198, 190454, 302995, 476135, 605990, 666589, 952270, 1333178, 3332945, 6665890]

約数ペア:

[(1, 6665890), (2, 3332945), (5, 1333178), (7, 952270), (10, 666589), (11, 605990), (14, 476135), (22, 302995), (35, 190454), (55, 121198), (70, 95227), (77, 86570), (110, 60599), (121, 55090), (154, 43285), (242, 27545), (385, 17314), (605, 11018), (770, 8657), (787, 8470), (847, 7870), (1210, 5509), (1574, 4235), (1694, 3935)]