28258615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2583

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 15494345

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 2531, 11165, 12655, 17717, 27841, 73399, 88585, 139205, 194887, 366995, 513793, 807389, 974435, 2568965, 4036945, 5651723, 28258615]

約数ペア:

[(1, 28258615), (5, 5651723), (7, 4036945), (11, 2568965), (29, 974435), (35, 807389), (55, 513793), (77, 366995), (145, 194887), (203, 139205), (319, 88585), (385, 73399), (1015, 27841), (1595, 17717), (2233, 12655), (2531, 11165)]