161031887

素因数分解:

${\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 175832496

約数和(自身を除く): 14800609

約数列:

[1, 31, 41, 61, 67, 961, 1271, 1891, 2077, 2501, 2747, 4087, 39401, 58621, 64387, 77531, 85157, 126697, 167567, 2403461, 2639867, 3927607, 5194577, 161031887]

約数ペア:

[(1, 161031887), (31, 5194577), (41, 3927607), (61, 2639867), (67, 2403461), (961, 167567), (1271, 126697), (1891, 85157), (2077, 77531), (2501, 64387), (2747, 58621), (4087, 39401)]