259331345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2579}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 407928960

約数和(自身を除く): 148597615

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 221, 455, 595, 845, 1105, 1183, 1547, 2579, 2873, 5915, 7735, 12895, 14365, 18053, 20111, 33527, 43843, 90265, 100555, 167635, 219215, 234689, 306901, 435851, 569959, 1173445, 1534505, 2179255, 2849795, 3050957, 3989713, 7409467, 15254785, 19948565, 37047335, 51866269, 259331345]

約数ペア:

[(1, 259331345), (5, 51866269), (7, 37047335), (13, 19948565), (17, 15254785), (35, 7409467), (65, 3989713), (85, 3050957), (91, 2849795), (119, 2179255), (169, 1534505), (221, 1173445), (455, 569959), (595, 435851), (845, 306901), (1105, 234689), (1183, 219215), (1547, 167635), (2579, 100555), (2873, 90265), (5915, 43843), (7735, 33527), (12895, 20111), (14365, 18053)]