221488085

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 335600496

約数和(自身を除く): 114112411

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 197, 245, 353, 455, 637, 985, 1379, 1765, 2471, 2561, 3185, 4589, 6895, 9653, 12355, 12805, 17297, 17927, 22945, 32123, 48265, 69541, 86485, 89635, 125489, 160615, 224861, 347705, 486787, 627445, 904033, 1124305, 2433935, 3407509, 4520165, 6328231, 17037545, 31641155, 44297617, 221488085]

約数ペア:

[(1, 221488085), (5, 44297617), (7, 31641155), (13, 17037545), (35, 6328231), (49, 4520165), (65, 3407509), (91, 2433935), (197, 1124305), (245, 904033), (353, 627445), (455, 486787), (637, 347705), (985, 224861), (1379, 160615), (1765, 125489), (2471, 89635), (2561, 86485), (3185, 69541), (4589, 48265), (6895, 32123), (9653, 22945), (12355, 17927), (12805, 17297)]