71820035

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{5531}}^1$

素因数の和:5603

約数の個数: 24

約数和(自身を含む): 102164976

約数和(自身を除く): 30344941

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1855, 2597, 5531, 12985, 27655, 38717, 193585, 271019, 293143, 1355095, 1465715, 2052001, 10260005, 14364007, 71820035]

約数ペア:

[(1, 71820035), (5, 14364007), (7, 10260005), (35, 2052001), (49, 1465715), (53, 1355095), (245, 293143), (265, 271019), (371, 193585), (1855, 38717), (2597, 27655), (5531, 12985)]