289308205

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 363478752

約数和(自身を除く): 74170547

約数列:

[1, 5, 29, 107, 145, 535, 643, 841, 3103, 3215, 4205, 15515, 18647, 68801, 89987, 93235, 344005, 449935, 540763, 1995229, 2703815, 9976145, 57861641, 289308205]

約数ペア:

[(1, 289308205), (5, 57861641), (29, 9976145), (107, 2703815), (145, 1995229), (535, 540763), (643, 449935), (841, 344005), (3103, 93235), (3215, 89987), (4205, 68801), (15515, 18647)]