13540228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 27624240

約数和(自身を除く): 14084012

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 53, 68, 106, 212, 221, 289, 442, 578, 689, 884, 901, 1156, 1378, 1802, 2756, 3604, 3757, 4913, 7514, 9826, 11713, 15028, 15317, 19652, 23426, 30634, 46852, 61268, 63869, 127738, 199121, 255476, 260389, 398242, 520778, 796484, 1041556, 3385057, 6770114, 13540228]

約数ペア:

[(1, 13540228), (2, 6770114), (4, 3385057), (13, 1041556), (17, 796484), (26, 520778), (34, 398242), (52, 260389), (53, 255476), (68, 199121), (106, 127738), (212, 63869), (221, 61268), (289, 46852), (442, 30634), (578, 23426), (689, 19652), (884, 15317), (901, 15028), (1156, 11713), (1378, 9826), (1802, 7514), (2756, 4913), (3604, 3757)]