12918303208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{1019}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 25083432000

約数和(自身を除く): 12165128792

約数列:

[1, 2, 4, 8, 43, 86, 137, 172, 269, 274, 344, 538, 548, 1019, 1076, 1096, 2038, 2152, 4076, 5891, 8152, 11567, 11782, 23134, 23564, 36853, 43817, 46268, 47128, 73706, 87634, 92536, 139603, 147412, 175268, 274111, 279206, 294824, 350536, 548222, 558412, 1096444, 1116824, 1584679, 2192888, 3169358, 6002929, 6338716, 11786773, 12005858, 12677432, 23573546, 24011716, 37553207, 47147092, 48023432, 75106414, 94294184, 150212828, 300425656, 1614787901, 3229575802, 6459151604, 12918303208]

約数ペア:

[(1, 12918303208), (2, 6459151604), (4, 3229575802), (8, 1614787901), (43, 300425656), (86, 150212828), (137, 94294184), (172, 75106414), (269, 48023432), (274, 47147092), (344, 37553207), (538, 24011716), (548, 23573546), (1019, 12677432), (1076, 12005858), (1096, 11786773), (2038, 6338716), (2152, 6002929), (4076, 3169358), (5891, 2192888), (8152, 1584679), (11567, 1116824), (11782, 1096444), (23134, 558412), (23564, 548222), (36853, 350536), (43817, 294824), (46268, 279206), (47128, 274111), (73706, 175268), (87634, 147412), (92536, 139603)]