12722908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 24816736

約数和(自身を除く): 12093828

約数列:

[1, 2, 4, 11, 22, 44, 97, 121, 194, 242, 271, 388, 484, 542, 1067, 1084, 2134, 2981, 4268, 5962, 11737, 11924, 23474, 26287, 32791, 46948, 52574, 65582, 105148, 131164, 289157, 578314, 1156628, 3180727, 6361454, 12722908]

約数ペア:

[(1, 12722908), (2, 6361454), (4, 3180727), (11, 1156628), (22, 578314), (44, 289157), (97, 131164), (121, 105148), (194, 65582), (242, 52574), (271, 46948), (388, 32791), (484, 26287), (542, 23474), (1067, 11924), (1084, 11737), (2134, 5962), (2981, 4268)]