289009106

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 455906880

約数和(自身を除く): 166897774

約数列:

[1, 2, 43, 53, 86, 106, 163, 326, 389, 778, 2279, 4558, 7009, 8639, 14018, 16727, 17278, 20617, 33454, 41234, 63407, 126814, 371477, 742954, 886531, 1773062, 2726501, 3360571, 5453002, 6721142, 144504553, 289009106]

約数ペア:

[(1, 289009106), (2, 144504553), (43, 6721142), (53, 5453002), (86, 3360571), (106, 2726501), (163, 1773062), (326, 886531), (389, 742954), (778, 371477), (2279, 126814), (4558, 63407), (7009, 41234), (8639, 33454), (14018, 20617), (16727, 17278)]