87419690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 164699136

約数和(自身を除く): 77279446

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 2263, 3863, 4526, 7726, 11315, 19315, 22630, 38630, 119753, 239506, 281999, 563998, 598765, 1197530, 1409995, 2819990, 8741969, 17483938, 43709845, 87419690]

約数ペア:

[(1, 87419690), (2, 43709845), (5, 17483938), (10, 8741969), (31, 2819990), (62, 1409995), (73, 1197530), (146, 598765), (155, 563998), (310, 281999), (365, 239506), (730, 119753), (2263, 38630), (3863, 22630), (4526, 19315), (7726, 11315)]