9989708

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 17935680

約数和(自身を除く): 7945972

約数列:

[1, 2, 4, 79, 101, 158, 202, 313, 316, 404, 626, 1252, 7979, 15958, 24727, 31613, 31916, 49454, 63226, 98908, 126452, 2497427, 4994854, 9989708]

約数ペア:

[(1, 9989708), (2, 4994854), (4, 2497427), (79, 126452), (101, 98908), (158, 63226), (202, 49454), (313, 31916), (316, 31613), (404, 24727), (626, 15958), (1252, 7979)]