1888890871

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{74357}}^1$

素因数の和:74574

約数の個数: 16

約数和(自身を含む): 2284277760

約数和(自身を除く): 395386889

約数列:

[1, 7, 19, 133, 191, 1337, 3629, 25403, 74357, 520499, 1412783, 9889481, 14202187, 99415309, 269841553, 1888890871]

約数ペア:

[(1, 1888890871), (7, 269841553), (19, 99415309), (133, 14202187), (191, 9889481), (1337, 1412783), (3629, 520499), (25403, 74357)]