28724465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74609}}^1$

素因数の和:74632

約数の個数: 16

約数和(自身を含む): 42975360

約数和(自身を除く): 14250895

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 74609, 373045, 522263, 820699, 2611315, 4103495, 5744893, 28724465]

約数ペア:

[(1, 28724465), (5, 5744893), (7, 4103495), (11, 2611315), (35, 820699), (55, 522263), (77, 373045), (385, 74609)]