213575830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{3659}}^1$

素因数の和:4128

約数の個数: 32

約数和(自身を含む): 415044000

約数和(自身を除く): 201468170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 3659, 4490, 5837, 7318, 11674, 18295, 29185, 36590, 47567, 58370, 95134, 237835, 475670, 1642891, 3285782, 8214455, 16428910, 21357583, 42715166, 106787915, 213575830]

約数ペア:

[(1, 213575830), (2, 106787915), (5, 42715166), (10, 21357583), (13, 16428910), (26, 8214455), (65, 3285782), (130, 1642891), (449, 475670), (898, 237835), (2245, 95134), (3659, 58370), (4490, 47567), (5837, 36590), (7318, 29185), (11674, 18295)]