401392355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51893}}^1$

素因数の和:51935

約数の個数: 32

約数和(自身を含む): 627709824

約数和(自身を除く): 226317469

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 51893, 259465, 363251, 674609, 882181, 1816255, 3373045, 4410905, 4722263, 6175267, 11468353, 23611315, 30876335, 57341765, 80278471, 401392355]

約数ペア:

[(1, 401392355), (5, 80278471), (7, 57341765), (13, 30876335), (17, 23611315), (35, 11468353), (65, 6175267), (85, 4722263), (91, 4410905), (119, 3373045), (221, 1816255), (455, 882181), (595, 674609), (1105, 363251), (1547, 259465), (7735, 51893)]