489240178

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{18859}}^1$

素因数の和:18994

約数の個数: 32

約数和(自身を含む): 896227200

約数和(自身を除く): 406987022

約数列:

[1, 2, 7, 14, 17, 34, 109, 119, 218, 238, 763, 1526, 1853, 3706, 12971, 18859, 25942, 37718, 132013, 264026, 320603, 641206, 2055631, 2244221, 4111262, 4488442, 14389417, 28778834, 34945727, 69891454, 244620089, 489240178]

約数ペア:

[(1, 489240178), (2, 244620089), (7, 69891454), (14, 34945727), (17, 28778834), (34, 14389417), (109, 4488442), (119, 4111262), (218, 2244221), (238, 2055631), (763, 641206), (1526, 320603), (1853, 264026), (3706, 132013), (12971, 37718), (18859, 25942)]