7830641

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 10342080

約数和(自身を除く): 2511439

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 647, 931, 1729, 4529, 8411, 12103, 12293, 31703, 58877, 86051, 159809, 412139, 602357, 1118663, 7830641]

約数ペア:

[(1, 7830641), (7, 1118663), (13, 602357), (19, 412139), (49, 159809), (91, 86051), (133, 58877), (247, 31703), (637, 12293), (647, 12103), (931, 8411), (1729, 4529)]