72921905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 107308800

約数和(自身を除く): 34386895

約数列:

[1, 5, 7, 19, 35, 53, 95, 133, 265, 371, 665, 1007, 1855, 2069, 5035, 7049, 10345, 14483, 35245, 39311, 72415, 109657, 196555, 275177, 548285, 767599, 1375885, 2083483, 3837995, 10417415, 14584381, 72921905]

約数ペア:

[(1, 72921905), (5, 14584381), (7, 10417415), (19, 3837995), (35, 2083483), (53, 1375885), (95, 767599), (133, 548285), (265, 275177), (371, 196555), (665, 109657), (1007, 72415), (1855, 39311), (2069, 35245), (5035, 14483), (7049, 10345)]