289909828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293431}}^1$

素因数の和:293467

約数の個数: 24

約数和(自身を含む): 575126720

約数和(自身を除く): 285216892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 293431, 586862, 1173724, 3814603, 5575189, 7629206, 11150378, 15258412, 22300756, 72477457, 144954914, 289909828]

約数ペア:

[(1, 289909828), (2, 144954914), (4, 72477457), (13, 22300756), (19, 15258412), (26, 11150378), (38, 7629206), (52, 5575189), (76, 3814603), (247, 1173724), (494, 586862), (988, 293431)]