2157845195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1352881}}^1$

素因数の和:1352926

約数の個数: 16

約数和(自身を含む): 2922225120

約数和(自身を除く): 764379925

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 1352881, 6764405, 14881691, 39233549, 74408455, 196167745, 431569039, 2157845195]

約数ペア:

[(1, 2157845195), (5, 431569039), (11, 196167745), (29, 74408455), (55, 39233549), (145, 14881691), (319, 6764405), (1595, 1352881)]