210964130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{7691}}^1$

素因数の和:7922

約数の個数: 32

約数和(自身を含む): 410937408

約数和(自身を除く): 199973278

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 5486, 7691, 13715, 15382, 27430, 38455, 76910, 99983, 199966, 499915, 999830, 1622801, 3245602, 8114005, 16228010, 21096413, 42192826, 105482065, 210964130]

約数ペア:

[(1, 210964130), (2, 105482065), (5, 42192826), (10, 21096413), (13, 16228010), (26, 8114005), (65, 3245602), (130, 1622801), (211, 999830), (422, 499915), (1055, 199966), (2110, 99983), (2743, 76910), (5486, 38455), (7691, 27430), (13715, 15382)]