7137725660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{638437}}^1$

素因数の和:638502

約数の個数: 48

約数和(自身を含む): 16517667936

約数和(自身を除く): 9379942276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 638437, 1276874, 2553748, 3192185, 6384370, 8299681, 12768740, 16599362, 27452791, 33198724, 41498405, 54905582, 82996810, 109811164, 137263955, 165993620, 274527910, 356886283, 549055820, 713772566, 1427545132, 1784431415, 3568862830, 7137725660]

約数ペア:

[(1, 7137725660), (2, 3568862830), (4, 1784431415), (5, 1427545132), (10, 713772566), (13, 549055820), (20, 356886283), (26, 274527910), (43, 165993620), (52, 137263955), (65, 109811164), (86, 82996810), (130, 54905582), (172, 41498405), (215, 33198724), (260, 27452791), (430, 16599362), (559, 12768740), (860, 8299681), (1118, 6384370), (2236, 3192185), (2795, 2553748), (5590, 1276874), (11180, 638437)]