203781985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127763}}^1$

素因数の和:127808

約数の個数: 16

約数和(自身を含む): 275970240

約数和(自身を除く): 72188255

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 127763, 638815, 1405393, 3705127, 7026965, 18525635, 40756397, 203781985]

約数ペア:

[(1, 203781985), (5, 40756397), (11, 18525635), (29, 7026965), (55, 3705127), (145, 1405393), (319, 638815), (1595, 127763)]