521779390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{18457}}^1$

素因数の和:18732

約数の個数: 32

約数和(自身を含む): 1028627424

約数和(自身を除く): 506848034

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 2570, 2827, 5654, 14135, 18457, 28270, 36914, 92285, 184570, 203027, 406054, 1015135, 2030270, 4743449, 9486898, 23717245, 47434490, 52177939, 104355878, 260889695, 521779390]

約数ペア:

[(1, 521779390), (2, 260889695), (5, 104355878), (10, 52177939), (11, 47434490), (22, 23717245), (55, 9486898), (110, 4743449), (257, 2030270), (514, 1015135), (1285, 406054), (2570, 203027), (2827, 184570), (5654, 92285), (14135, 36914), (18457, 28270)]