974328299

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 1153437408

約数和(自身を除く): 179109109

約数列:

[1, 7, 49, 73, 421, 511, 647, 2947, 3577, 4529, 20629, 30733, 31703, 47231, 215131, 272387, 330617, 1505917, 1906709, 2314319, 13346963, 19884251, 139189757, 974328299]

約数ペア:

[(1, 974328299), (7, 139189757), (49, 19884251), (73, 13346963), (421, 2314319), (511, 1906709), (647, 1505917), (2947, 330617), (3577, 272387), (4529, 215131), (20629, 47231), (30733, 31703)]