289668860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1114111}}^1$

素因数の和:1114133

約数の個数: 24

約数和(自身を含む): 655097856

約数和(自身を除く): 365428996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1114111, 2228222, 4456444, 5570555, 11141110, 14483443, 22282220, 28966886, 57933772, 72417215, 144834430, 289668860]

約数ペア:

[(1, 289668860), (2, 144834430), (4, 72417215), (5, 57933772), (10, 28966886), (13, 22282220), (20, 14483443), (26, 11141110), (52, 5570555), (65, 4456444), (130, 2228222), (260, 1114111)]