16312681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 21712896

約数和(自身を除く): 5400215

約数列:

[1, 7, 11, 23, 61, 77, 151, 161, 253, 427, 671, 1057, 1403, 1661, 1771, 3473, 4697, 9211, 9821, 11627, 15433, 24311, 38203, 64477, 101321, 108031, 211853, 267421, 709247, 1482971, 2330383, 16312681]

約数ペア:

[(1, 16312681), (7, 2330383), (11, 1482971), (23, 709247), (61, 267421), (77, 211853), (151, 108031), (161, 101321), (253, 64477), (427, 38203), (671, 24311), (1057, 15433), (1403, 11627), (1661, 9821), (1771, 9211), (3473, 4697)]