170989721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{31357}}^1$

素因数の和:31424

約数の個数: 16

約数和(自身を含む): 210725760

約数和(自身を除く): 39736039

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 31357, 219499, 595783, 1285637, 4170481, 8999459, 24427103, 170989721]

約数ペア:

[(1, 170989721), (7, 24427103), (19, 8999459), (41, 4170481), (133, 1285637), (287, 595783), (779, 219499), (5453, 31357)]