140985481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21821}}^1$

素因数の和:21912

約数の個数: 16

約数和(自身を含む): 175972608

約数和(自身を除く): 34987127

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 21821, 152747, 283673, 1549291, 1985711, 10845037, 20140783, 140985481]

約数ペア:

[(1, 140985481), (7, 20140783), (13, 10845037), (71, 1985711), (91, 1549291), (497, 283673), (923, 152747), (6461, 21821)]