205008505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59509}}^1$

素因数の和:59580

約数の個数: 16

約数和(自身を含む): 269937360

約数和(自身を除く): 64928855

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 59509, 297545, 773617, 3153977, 3868085, 15769885, 41001701, 205008505]

約数ペア:

[(1, 205008505), (5, 41001701), (13, 15769885), (53, 3868085), (65, 3153977), (265, 773617), (689, 297545), (3445, 59509)]