312812272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3271}}^1$

素因数の和:3461

約数の個数: 40

約数和(自身を含む): 624821120

約数和(自身を除く): 312008848

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 2224, 3271, 5977, 6542, 11954, 13084, 23908, 26168, 47816, 52336, 95632, 140653, 281306, 454669, 562612, 909338, 1125224, 1818676, 2250448, 3637352, 7274704, 19550767, 39101534, 78203068, 156406136, 312812272]

約数ペア:

[(1, 312812272), (2, 156406136), (4, 78203068), (8, 39101534), (16, 19550767), (43, 7274704), (86, 3637352), (139, 2250448), (172, 1818676), (278, 1125224), (344, 909338), (556, 562612), (688, 454669), (1112, 281306), (2224, 140653), (3271, 95632), (5977, 52336), (6542, 47816), (11954, 26168), (13084, 23908)]