28813890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137209}}^1$

素因数の和:137226

約数の個数: 32

約数和(自身を含む): 79032960

約数和(自身を除く): 50219070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 137209, 274418, 411627, 686045, 823254, 960463, 1372090, 1920926, 2058135, 2881389, 4116270, 4802315, 5762778, 9604630, 14406945, 28813890]

約数ペア:

[(1, 28813890), (2, 14406945), (3, 9604630), (5, 5762778), (6, 4802315), (7, 4116270), (10, 2881389), (14, 2058135), (15, 1920926), (21, 1372090), (30, 960463), (35, 823254), (42, 686045), (70, 411627), (105, 274418), (210, 137209)]