210778886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 342089568

約数和(自身を除く): 131310682

約数列:

[1, 2, 17, 34, 73, 146, 163, 326, 521, 1042, 1241, 2482, 2771, 5542, 8857, 11899, 17714, 23798, 38033, 76066, 84923, 169846, 202283, 404566, 646561, 1293122, 1443691, 2887382, 6199379, 12398758, 105389443, 210778886]

約数ペア:

[(1, 210778886), (2, 105389443), (17, 12398758), (34, 6199379), (73, 2887382), (146, 1443691), (163, 1293122), (326, 646561), (521, 404566), (1042, 202283), (1241, 169846), (2482, 84923), (2771, 76066), (5542, 38033), (8857, 23798), (11899, 17714)]