161563382

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{17489}}^1$

素因数の和:17671

約数の個数: 16

約数和(自身を含む): 251856000

約数和(自身を除く): 90292618

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 17489, 34978, 542159, 1084318, 2605861, 5211722, 80781691, 161563382]

約数ペア:

[(1, 161563382), (2, 80781691), (31, 5211722), (62, 2605861), (149, 1084318), (298, 542159), (4619, 34978), (9238, 17489)]