901957895

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 1138885440

約数和(自身を除く): 236927545

約数列:

[1, 5, 43, 61, 97, 215, 305, 485, 709, 2623, 3545, 4171, 5917, 13115, 20855, 29585, 30487, 43249, 68773, 152435, 216245, 254431, 343865, 1272155, 1859707, 2957239, 4195153, 9298535, 14786195, 20975765, 180391579, 901957895]

約数ペア:

[(1, 901957895), (5, 180391579), (43, 20975765), (61, 14786195), (97, 9298535), (215, 4195153), (305, 2957239), (485, 1859707), (709, 1272155), (2623, 343865), (3545, 254431), (4171, 216245), (5917, 152435), (13115, 68773), (20855, 43249), (29585, 30487)]