31480295

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11681}}^1$

素因数の和:11711

約数の個数: 24

約数和(自身を含む): 47942928

約数和(自身を除く): 16462633

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 11681, 58405, 81767, 128491, 408835, 572369, 642455, 899437, 2861845, 4497185, 6296059, 31480295]

約数ペア:

[(1, 31480295), (5, 6296059), (7, 4497185), (11, 2861845), (35, 899437), (49, 642455), (55, 572369), (77, 408835), (245, 128491), (385, 81767), (539, 58405), (2695, 11681)]