16553740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{373}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 39961152

約数和(自身を除く): 23407412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 373, 634, 746, 1268, 1492, 1585, 1865, 2219, 2611, 3170, 3730, 4438, 5222, 6340, 7460, 8876, 10444, 11095, 13055, 22190, 26110, 44380, 52220, 118241, 236482, 472964, 591205, 827687, 1182410, 1655374, 2364820, 3310748, 4138435, 8276870, 16553740]

約数ペア:

[(1, 16553740), (2, 8276870), (4, 4138435), (5, 3310748), (7, 2364820), (10, 1655374), (14, 1182410), (20, 827687), (28, 591205), (35, 472964), (70, 236482), (140, 118241), (317, 52220), (373, 44380), (634, 26110), (746, 22190), (1268, 13055), (1492, 11095), (1585, 10444), (1865, 8876), (2219, 7460), (2611, 6340), (3170, 5222), (3730, 4438)]