628348021

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2477}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 759338496

約数和(自身を除く): 130990475

約数列:

[1, 7, 31, 49, 167, 217, 1169, 1519, 2477, 5177, 8183, 17339, 36239, 76787, 121373, 253673, 413659, 537509, 2895613, 3762563, 12823429, 20269291, 89764003, 628348021]

約数ペア:

[(1, 628348021), (7, 89764003), (31, 20269291), (49, 12823429), (167, 3762563), (217, 2895613), (1169, 537509), (1519, 413659), (2477, 253673), (5177, 121373), (8183, 76787), (17339, 36239)]