278681986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{2633}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 484740288

約数和(自身を除く): 206058302

約数列:

[1, 2, 11, 17, 22, 34, 187, 283, 374, 566, 2633, 3113, 4811, 5266, 6226, 9622, 28963, 44761, 52921, 57926, 89522, 105842, 492371, 745139, 984742, 1490278, 8196529, 12667363, 16393058, 25334726, 139340993, 278681986]

約数ペア:

[(1, 278681986), (2, 139340993), (11, 25334726), (17, 16393058), (22, 12667363), (34, 8196529), (187, 1490278), (283, 984742), (374, 745139), (566, 492371), (2633, 105842), (3113, 89522), (4811, 57926), (5266, 52921), (6226, 44761), (9622, 28963)]