28114710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72089}}^1$

素因数の和:72112

約数の個数: 32

約数和(自身を含む): 72666720

約数和(自身を除く): 44552010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72089, 144178, 216267, 360445, 432534, 720890, 937157, 1081335, 1874314, 2162670, 2811471, 4685785, 5622942, 9371570, 14057355, 28114710]

約数ペア:

[(1, 28114710), (2, 14057355), (3, 9371570), (5, 5622942), (6, 4685785), (10, 2811471), (13, 2162670), (15, 1874314), (26, 1081335), (30, 937157), (39, 720890), (65, 432534), (78, 360445), (130, 216267), (195, 144178), (390, 72089)]