165427870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{12263}}^1$

素因数の和:12360

約数の個数: 32

約数和(自身を含む): 317882880

約数和(自身を除く): 152455010

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 12263, 13490, 24526, 61315, 122630, 232997, 465994, 870673, 1164985, 1741346, 2329970, 4353365, 8706730, 16542787, 33085574, 82713935, 165427870]

約数ペア:

[(1, 165427870), (2, 82713935), (5, 33085574), (10, 16542787), (19, 8706730), (38, 4353365), (71, 2329970), (95, 1741346), (142, 1164985), (190, 870673), (355, 465994), (710, 232997), (1349, 122630), (2698, 61315), (6745, 24526), (12263, 13490)]