12915812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 29292984

約数和(自身を除く): 16377172

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 137, 148, 182, 196, 259, 274, 364, 481, 518, 548, 637, 959, 962, 1036, 1274, 1781, 1813, 1918, 1924, 2548, 3367, 3562, 3626, 3836, 5069, 6713, 6734, 7124, 7252, 10138, 12467, 13426, 13468, 20276, 23569, 24934, 26852, 35483, 47138, 49868, 65897, 70966, 87269, 94276, 131794, 141932, 174538, 248381, 263588, 349076, 461279, 496762, 922558, 993524, 1845116, 3228953, 6457906, 12915812]

約数ペア:

[(1, 12915812), (2, 6457906), (4, 3228953), (7, 1845116), (13, 993524), (14, 922558), (26, 496762), (28, 461279), (37, 349076), (49, 263588), (52, 248381), (74, 174538), (91, 141932), (98, 131794), (137, 94276), (148, 87269), (182, 70966), (196, 65897), (259, 49868), (274, 47138), (364, 35483), (481, 26852), (518, 24934), (548, 23569), (637, 20276), (959, 13468), (962, 13426), (1036, 12467), (1274, 10138), (1781, 7252), (1813, 7124), (1918, 6734), (1924, 6713), (2548, 5069), (3367, 3836), (3562, 3626)]