254345245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38861}}^1$

素因数の和:38901

約数の個数: 32

約数和(自身を含む): 402921216

約数和(自身を除く): 148575971

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 38861, 194305, 272027, 427471, 660637, 1360135, 2137355, 2992297, 3303185, 4624459, 7267007, 14961485, 23122295, 36335035, 50869049, 254345245]

約数ペア:

[(1, 254345245), (5, 50869049), (7, 36335035), (11, 23122295), (17, 14961485), (35, 7267007), (55, 4624459), (77, 3303185), (85, 2992297), (119, 2137355), (187, 1360135), (385, 660637), (595, 427471), (935, 272027), (1309, 194305), (6545, 38861)]