81306212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 157257072

約数和(自身を除く): 75950860

約数列:

[1, 2, 4, 13, 26, 52, 101, 113, 137, 202, 226, 274, 404, 452, 548, 1313, 1469, 1781, 2626, 2938, 3562, 5252, 5876, 7124, 11413, 13837, 15481, 22826, 27674, 30962, 45652, 55348, 61924, 148369, 179881, 201253, 296738, 359762, 402506, 593476, 719524, 805012, 1563581, 3127162, 6254324, 20326553, 40653106, 81306212]

約数ペア:

[(1, 81306212), (2, 40653106), (4, 20326553), (13, 6254324), (26, 3127162), (52, 1563581), (101, 805012), (113, 719524), (137, 593476), (202, 402506), (226, 359762), (274, 296738), (404, 201253), (452, 179881), (548, 148369), (1313, 61924), (1469, 55348), (1781, 45652), (2626, 30962), (2938, 27674), (3562, 22826), (5252, 15481), (5876, 13837), (7124, 11413)]