42782015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 56832000

約数和(自身を除く): 14049985

約数列:

[1, 5, 19, 31, 73, 95, 155, 199, 365, 589, 995, 1387, 2263, 2945, 3781, 6169, 6935, 11315, 14527, 18905, 30845, 42997, 72635, 117211, 214985, 276013, 450337, 586055, 1380065, 2251685, 8556403, 42782015]

約数ペア:

[(1, 42782015), (5, 8556403), (19, 2251685), (31, 1380065), (73, 586055), (95, 450337), (155, 276013), (199, 214985), (365, 117211), (589, 72635), (995, 42997), (1387, 30845), (2263, 18905), (2945, 14527), (3781, 11315), (6169, 6935)]