28330715

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 12118309

約数列:

[1, 5, 7, 35, 37, 131, 167, 185, 259, 655, 835, 917, 1169, 1295, 4585, 4847, 5845, 6179, 21877, 24235, 30895, 33929, 43253, 109385, 153139, 169645, 216265, 765695, 809449, 4047245, 5666143, 28330715]

約数ペア:

[(1, 28330715), (5, 5666143), (7, 4047245), (35, 809449), (37, 765695), (131, 216265), (167, 169645), (185, 153139), (259, 109385), (655, 43253), (835, 33929), (917, 30895), (1169, 24235), (1295, 21877), (4585, 6179), (4847, 5845)]