201639490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{2017}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 391572720

約数和(自身を除く): 189933230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 769, 1538, 2017, 3845, 4034, 7690, 9997, 10085, 19994, 20170, 26221, 49985, 52442, 99970, 131105, 262210, 1551073, 3102146, 7755365, 15510730, 20163949, 40327898, 100819745, 201639490]

約数ペア:

[(1, 201639490), (2, 100819745), (5, 40327898), (10, 20163949), (13, 15510730), (26, 7755365), (65, 3102146), (130, 1551073), (769, 262210), (1538, 131105), (2017, 99970), (3845, 52442), (4034, 49985), (7690, 26221), (9997, 20170), (10085, 19994)]