131445704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40771}}^1$

素因数の和:40821

約数の個数: 32

約数和(自身を含む): 273987840

約数和(自身を除く): 142542136

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 40771, 81542, 163084, 326168, 530023, 1060046, 1263901, 2120092, 2527802, 4240184, 5055604, 10111208, 16430713, 32861426, 65722852, 131445704]

約数ペア:

[(1, 131445704), (2, 65722852), (4, 32861426), (8, 16430713), (13, 10111208), (26, 5055604), (31, 4240184), (52, 2527802), (62, 2120092), (104, 1263901), (124, 1060046), (248, 530023), (403, 326168), (806, 163084), (1612, 81542), (3224, 40771)]