12780964

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1148

約数の個数: 36

約数和(自身を含む): 26469660

約数和(自身を除く): 13688696

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 244, 427, 854, 1069, 1708, 2138, 2989, 4276, 5978, 7483, 11956, 14966, 29932, 52381, 65209, 104762, 130418, 209524, 260836, 456463, 912926, 1825852, 3195241, 6390482, 12780964]

約数ペア:

[(1, 12780964), (2, 6390482), (4, 3195241), (7, 1825852), (14, 912926), (28, 456463), (49, 260836), (61, 209524), (98, 130418), (122, 104762), (196, 65209), (244, 52381), (427, 29932), (854, 14966), (1069, 11956), (1708, 7483), (2138, 5978), (2989, 4276)]