81871212

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 194392800

約数和(自身を除く): 112521588

約数列:

[1, 2, 3, 4, 6, 12, 113, 173, 226, 339, 346, 349, 452, 519, 678, 692, 698, 1038, 1047, 1356, 1396, 2076, 2094, 4188, 19549, 39098, 39437, 58647, 60377, 78196, 78874, 117294, 118311, 120754, 157748, 181131, 234588, 236622, 241508, 362262, 473244, 724524, 6822601, 13645202, 20467803, 27290404, 40935606, 81871212]

約数ペア:

[(1, 81871212), (2, 40935606), (3, 27290404), (4, 20467803), (6, 13645202), (12, 6822601), (113, 724524), (173, 473244), (226, 362262), (339, 241508), (346, 236622), (349, 234588), (452, 181131), (519, 157748), (678, 120754), (692, 118311), (698, 117294), (1038, 78874), (1047, 78196), (1356, 60377), (1396, 58647), (2076, 39437), (2094, 39098), (4188, 19549)]