1397690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 2951424

約数和(自身を除く): 1553734

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 487, 574, 974, 1435, 2435, 2870, 3409, 4870, 6818, 17045, 19967, 34090, 39934, 99835, 139769, 199670, 279538, 698845, 1397690]

約数ペア:

[(1, 1397690), (2, 698845), (5, 279538), (7, 199670), (10, 139769), (14, 99835), (35, 39934), (41, 34090), (70, 19967), (82, 17045), (205, 6818), (287, 4870), (410, 3409), (487, 2870), (574, 2435), (974, 1435)]