28260830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1459}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 55188000

約数和(自身を除く): 26927170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1459, 1490, 1937, 2918, 3874, 7295, 9685, 14590, 18967, 19370, 37934, 94835, 189670, 217391, 434782, 1086955, 2173910, 2826083, 5652166, 14130415, 28260830]

約数ペア:

[(1, 28260830), (2, 14130415), (5, 5652166), (10, 2826083), (13, 2173910), (26, 1086955), (65, 434782), (130, 217391), (149, 189670), (298, 94835), (745, 37934), (1459, 19370), (1490, 18967), (1937, 14590), (2918, 9685), (3874, 7295)]