28438465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{22481}}^1$

素因数の和:22520

約数の個数: 16

約数和(自身を含む): 38848896

約数和(自身を除く): 10410431

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 22481, 112405, 247291, 517063, 1236455, 2585315, 5687693, 28438465]

約数ペア:

[(1, 28438465), (5, 5687693), (11, 2585315), (23, 1236455), (55, 517063), (115, 247291), (253, 112405), (1265, 22481)]