1640243409

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1\times {\mathrm{2677}}^1$

素因数の和:3029

約数の個数: 32

約数和(自身を含む): 2529745920

約数和(自身を除く): 889502511

約数列:

[1, 3, 7, 21, 163, 179, 489, 537, 1141, 1253, 2677, 3423, 3759, 8031, 18739, 29177, 56217, 87531, 204239, 436351, 479183, 612717, 1309053, 1437549, 3054457, 3354281, 9163371, 10062843, 78106829, 234320487, 546747803, 1640243409]

約数ペア:

[(1, 1640243409), (3, 546747803), (7, 234320487), (21, 78106829), (163, 10062843), (179, 9163371), (489, 3354281), (537, 3054457), (1141, 1437549), (1253, 1309053), (2677, 612717), (3423, 479183), (3759, 436351), (8031, 204239), (18739, 87531), (29177, 56217)]