31131028

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 55417824

約数和(自身を除く): 24286796

約数列:

[1, 2, 4, 101, 202, 251, 307, 404, 502, 614, 1004, 1228, 25351, 31007, 50702, 62014, 77057, 101404, 124028, 154114, 308228, 7782757, 15565514, 31131028]

約数ペア:

[(1, 31131028), (2, 15565514), (4, 7782757), (101, 308228), (202, 154114), (251, 124028), (307, 101404), (404, 77057), (502, 62014), (614, 50702), (1004, 31007), (1228, 25351)]