644521731839

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{3121609}}^1$

素因数の和:3121870

約数の個数: 16

約数和(自身を含む): 690450186240

約数和(自身を除く): 45928454401

約数列:

[1, 23, 47, 191, 1081, 4393, 8977, 206471, 3121609, 71797007, 146715623, 596227319, 3374459329, 13713228337, 28022683993, 644521731839]

約数ペア:

[(1, 644521731839), (23, 28022683993), (47, 13713228337), (191, 3374459329), (1081, 596227319), (4393, 146715623), (8977, 71797007), (206471, 3121609)]