31642961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 7729519

約数列:

[1, 7, 19, 53, 67, 133, 371, 469, 1007, 1273, 3551, 4489, 7049, 8911, 24857, 31423, 67469, 85291, 237917, 472283, 597037, 1665419, 4520423, 31642961]

約数ペア:

[(1, 31642961), (7, 4520423), (19, 1665419), (53, 597037), (67, 472283), (133, 237917), (371, 85291), (469, 67469), (1007, 31423), (1273, 24857), (3551, 8911), (4489, 7049)]