728696228

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{63409}}^1$

素因数の和:63456

約数の個数: 36

約数和(自身を含む): 1462107780

約数和(自身を除く): 733411552

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 11492, 63409, 126818, 253636, 824317, 1077953, 1648634, 2155906, 3297268, 4311812, 10716121, 14013389, 21432242, 28026778, 42864484, 56053556, 182174057, 364348114, 728696228]

約数ペア:

[(1, 728696228), (2, 364348114), (4, 182174057), (13, 56053556), (17, 42864484), (26, 28026778), (34, 21432242), (52, 14013389), (68, 10716121), (169, 4311812), (221, 3297268), (338, 2155906), (442, 1648634), (676, 1077953), (884, 824317), (2873, 253636), (5746, 126818), (11492, 63409)]