28708212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1129}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 72645440

約数和(自身を除く): 43937228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1129, 1956, 2119, 2258, 3387, 4238, 4516, 6357, 6774, 8476, 12714, 13548, 14677, 25428, 29354, 44031, 58708, 88062, 176124, 184027, 368054, 552081, 736108, 1104162, 2208324, 2392351, 4784702, 7177053, 9569404, 14354106, 28708212]

約数ペア:

[(1, 28708212), (2, 14354106), (3, 9569404), (4, 7177053), (6, 4784702), (12, 2392351), (13, 2208324), (26, 1104162), (39, 736108), (52, 552081), (78, 368054), (156, 184027), (163, 176124), (326, 88062), (489, 58708), (652, 44031), (978, 29354), (1129, 25428), (1956, 14677), (2119, 13548), (2258, 12714), (3387, 8476), (4238, 6774), (4516, 6357)]