281570484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1804939}}^1$

素因数の和:1804959

約数の個数: 24

約数和(自身を含む): 707536480

約数和(自身を除く): 425965996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1804939, 3609878, 5414817, 7219756, 10829634, 21659268, 23464207, 46928414, 70392621, 93856828, 140785242, 281570484]

約数ペア:

[(1, 281570484), (2, 140785242), (3, 93856828), (4, 70392621), (6, 46928414), (12, 23464207), (13, 21659268), (26, 10829634), (39, 7219756), (52, 5414817), (78, 3609878), (156, 1804939)]