217479108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21397}}^1$

素因数の和:21433

約数の個数: 72

約数和(自身を含む): 637489216

約数和(自身を除く): 420010108

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 21397, 42794, 64191, 85588, 128382, 149779, 235367, 256764, 299558, 449337, 470734, 599116, 706101, 898674, 941468, 1412202, 1647569, 1797348, 2589037, 2824404, 3295138, 4942707, 5178074, 6590276, 7767111, 9885414, 10356148, 15534222, 18123259, 19770828, 31068444, 36246518, 54369777, 72493036, 108739554, 217479108]

約数ペア:

[(1, 217479108), (2, 108739554), (3, 72493036), (4, 54369777), (6, 36246518), (7, 31068444), (11, 19770828), (12, 18123259), (14, 15534222), (21, 10356148), (22, 9885414), (28, 7767111), (33, 6590276), (42, 5178074), (44, 4942707), (66, 3295138), (77, 2824404), (84, 2589037), (121, 1797348), (132, 1647569), (154, 1412202), (231, 941468), (242, 898674), (308, 706101), (363, 599116), (462, 470734), (484, 449337), (726, 299558), (847, 256764), (924, 235367), (1452, 149779), (1694, 128382), (2541, 85588), (3388, 64191), (5082, 42794), (10164, 21397)]