261221804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{5077}}^1$

素因数の和:5777

約数の個数: 24

約数和(自身を含む): 482003760

約数和(自身を除く): 220781956

約数列:

[1, 2, 4, 19, 38, 76, 677, 1354, 2708, 5077, 10154, 12863, 20308, 25726, 51452, 96463, 192926, 385852, 3437129, 6874258, 13748516, 65305451, 130610902, 261221804]

約数ペア:

[(1, 261221804), (2, 130610902), (4, 65305451), (19, 13748516), (38, 6874258), (76, 3437129), (677, 385852), (1354, 192926), (2708, 96463), (5077, 51452), (10154, 25726), (12863, 20308)]