212326719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 350023680

約数和(自身を除く): 137696961

約数列:

[1, 3, 11, 17, 29, 31, 33, 51, 87, 93, 187, 319, 341, 421, 493, 527, 561, 899, 957, 1023, 1263, 1479, 1581, 2697, 4631, 5423, 5797, 7157, 9889, 12209, 13051, 13893, 15283, 16269, 17391, 21471, 29667, 36627, 39153, 45849, 78727, 134299, 143561, 168113, 207553, 221867, 236181, 378479, 402897, 430683, 504339, 622659, 665601, 1135437, 2283083, 2440537, 4163269, 6434143, 6849249, 7321611, 12489807, 19302429, 70775573, 212326719]

約数ペア:

[(1, 212326719), (3, 70775573), (11, 19302429), (17, 12489807), (29, 7321611), (31, 6849249), (33, 6434143), (51, 4163269), (87, 2440537), (93, 2283083), (187, 1135437), (319, 665601), (341, 622659), (421, 504339), (493, 430683), (527, 402897), (561, 378479), (899, 236181), (957, 221867), (1023, 207553), (1263, 168113), (1479, 143561), (1581, 134299), (2697, 78727), (4631, 45849), (5423, 39153), (5797, 36627), (7157, 29667), (9889, 21471), (12209, 17391), (13051, 16269), (13893, 15283)]