72989945

素因数分解:

$5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{7369}}^1$

素因数の和:7664

約数の個数: 16

約数和(自身を含む): 100467840

約数和(自身を除く): 27477895

約数列:

[1, 5, 7, 35, 283, 1415, 1981, 7369, 9905, 36845, 51583, 257915, 2085427, 10427135, 14597989, 72989945]

約数ペア:

[(1, 72989945), (5, 14597989), (7, 10427135), (35, 2085427), (283, 257915), (1415, 51583), (1981, 36845), (7369, 9905)]