644796572

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{2707}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 1324796928

約数和(自身を除く): 680000356

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 181, 188, 329, 362, 658, 724, 1267, 1316, 2534, 2707, 5068, 5414, 8507, 10828, 17014, 18949, 34028, 37898, 59549, 75796, 119098, 127229, 238196, 254458, 489967, 508916, 890603, 979934, 1781206, 1959868, 3429769, 3562412, 6859538, 13719076, 23028449, 46056898, 92113796, 161199143, 322398286, 644796572]

約数ペア:

[(1, 644796572), (2, 322398286), (4, 161199143), (7, 92113796), (14, 46056898), (28, 23028449), (47, 13719076), (94, 6859538), (181, 3562412), (188, 3429769), (329, 1959868), (362, 1781206), (658, 979934), (724, 890603), (1267, 508916), (1316, 489967), (2534, 254458), (2707, 238196), (5068, 127229), (5414, 119098), (8507, 75796), (10828, 59549), (17014, 37898), (18949, 34028)]