989879723

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{3821}}^1$

素因数の和:4163

約数の個数: 24

約数和(自身を含む): 1223468064

約数和(自身を除く): 233588341

約数列:

[1, 7, 17, 49, 119, 311, 833, 2177, 3821, 5287, 15239, 26747, 37009, 64957, 187229, 259063, 454699, 1188331, 3182893, 8318317, 20201627, 58228219, 141411389, 989879723]

約数ペア:

[(1, 989879723), (7, 141411389), (17, 58228219), (49, 20201627), (119, 8318317), (311, 3182893), (833, 1188331), (2177, 454699), (3821, 259063), (5287, 187229), (15239, 64957), (26747, 37009)]