389933903

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 442337280

約数和(自身を除く): 52403377

約数列:

[1, 19, 31, 41, 67, 241, 589, 779, 1271, 1273, 2077, 2747, 4579, 7471, 9881, 16147, 24149, 39463, 52193, 85157, 141949, 187739, 306311, 306793, 500557, 662027, 1617983, 5819909, 9510583, 12578513, 20522837, 389933903]

約数ペア:

[(1, 389933903), (19, 20522837), (31, 12578513), (41, 9510583), (67, 5819909), (241, 1617983), (589, 662027), (779, 500557), (1271, 306793), (1273, 306311), (2077, 187739), (2747, 141949), (4579, 85157), (7471, 52193), (9881, 39463), (16147, 24149)]