266760910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{12589}}^1$

素因数の和:12772

約数の個数: 32

約数和(自身を含む): 520319520

約数和(自身を除く): 253558610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 12589, 21190, 25178, 62945, 125890, 163657, 327314, 818285, 1636570, 2052007, 4104014, 10260035, 20520070, 26676091, 53352182, 133380455, 266760910]

約数ペア:

[(1, 266760910), (2, 133380455), (5, 53352182), (10, 26676091), (13, 20520070), (26, 10260035), (65, 4104014), (130, 2052007), (163, 1636570), (326, 818285), (815, 327314), (1630, 163657), (2119, 125890), (4238, 62945), (10595, 25178), (12589, 21190)]