90793885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 142700544

約数和(自身を除く): 51906659

約数列:

[1, 5, 7, 13, 31, 35, 41, 65, 91, 155, 157, 205, 217, 287, 403, 455, 533, 785, 1085, 1099, 1271, 1435, 2015, 2041, 2665, 2821, 3731, 4867, 5495, 6355, 6437, 8897, 10205, 14105, 14287, 16523, 18655, 24335, 32185, 34069, 44485, 45059, 63271, 71435, 82615, 83681, 115661, 170345, 199547, 225295, 316355, 418405, 442897, 578305, 585767, 997735, 1396829, 2214485, 2594111, 2928835, 6984145, 12970555, 18158777, 90793885]

約数ペア:

[(1, 90793885), (5, 18158777), (7, 12970555), (13, 6984145), (31, 2928835), (35, 2594111), (41, 2214485), (65, 1396829), (91, 997735), (155, 585767), (157, 578305), (205, 442897), (217, 418405), (287, 316355), (403, 225295), (455, 199547), (533, 170345), (785, 115661), (1085, 83681), (1099, 82615), (1271, 71435), (1435, 63271), (2015, 45059), (2041, 44485), (2665, 34069), (2821, 32185), (3731, 24335), (4867, 18655), (5495, 16523), (6355, 14287), (6437, 14105), (8897, 10205)]