1890907055

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 2353950720

約数和(自身を除く): 463043665

約数列:

[1, 5, 47, 131, 235, 239, 257, 655, 1195, 1285, 6157, 11233, 12079, 30785, 31309, 33667, 56165, 60395, 61423, 156545, 168335, 307115, 1471523, 1582349, 2886881, 7357615, 7911745, 8046413, 14434405, 40232065, 378181411, 1890907055]

約数ペア:

[(1, 1890907055), (5, 378181411), (47, 40232065), (131, 14434405), (235, 8046413), (239, 7911745), (257, 7357615), (655, 2886881), (1195, 1582349), (1285, 1471523), (6157, 307115), (11233, 168335), (12079, 156545), (30785, 61423), (31309, 60395), (33667, 56165)]