81421424

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1949}}^1$

素因数の和:2337

約数の個数: 40

約数和(自身を含む): 180866400

約数和(自身を除く): 99444976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 746, 1492, 1949, 2611, 2984, 3898, 5222, 5968, 7796, 10444, 13643, 15592, 20888, 27286, 31184, 41776, 54572, 109144, 218288, 726977, 1453954, 2907908, 5088839, 5815816, 10177678, 11631632, 20355356, 40710712, 81421424]

約数ペア:

[(1, 81421424), (2, 40710712), (4, 20355356), (7, 11631632), (8, 10177678), (14, 5815816), (16, 5088839), (28, 2907908), (56, 1453954), (112, 726977), (373, 218288), (746, 109144), (1492, 54572), (1949, 41776), (2611, 31184), (2984, 27286), (3898, 20888), (5222, 15592), (5968, 13643), (7796, 10444)]