28159235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^2$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 38561040

約数和(自身を除く): 10401805

約数列:

[1, 5, 13, 19, 65, 95, 151, 247, 755, 1235, 1963, 2869, 9815, 14345, 22801, 37297, 114005, 186485, 296413, 433219, 1482065, 2166095, 5631847, 28159235]

約数ペア:

[(1, 28159235), (5, 5631847), (13, 2166095), (19, 1482065), (65, 433219), (95, 296413), (151, 186485), (247, 114005), (755, 37297), (1235, 22801), (1963, 14345), (2869, 9815)]