71621390

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{14071}}^1$

素因数の和:14587

約数の個数: 16

約数和(自身を含む): 129180960

約数和(自身を除く): 57559570

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 14071, 28142, 70355, 140710, 7162139, 14324278, 35810695, 71621390]

約数ペア:

[(1, 71621390), (2, 35810695), (5, 14324278), (10, 7162139), (509, 140710), (1018, 70355), (2545, 28142), (5090, 14071)]