252321881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 311101440

約数和(自身を除く): 58779559

約数列:

[1, 7, 19, 103, 113, 133, 163, 721, 791, 1141, 1957, 2147, 3097, 11639, 13699, 15029, 16789, 18419, 21679, 81473, 117523, 128933, 221141, 318991, 349961, 1547987, 1897157, 2232937, 2449727, 13280099, 36045983, 252321881]

約数ペア:

[(1, 252321881), (7, 36045983), (19, 13280099), (103, 2449727), (113, 2232937), (133, 1897157), (163, 1547987), (721, 349961), (791, 318991), (1141, 221141), (1957, 128933), (2147, 117523), (3097, 81473), (11639, 21679), (13699, 18419), (15029, 16789)]