81756052

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{719}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 170311680

約数和(自身を除く): 88555628

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 131, 217, 262, 434, 524, 719, 868, 917, 1438, 1834, 2876, 3668, 4061, 5033, 8122, 10066, 16244, 20132, 22289, 28427, 44578, 56854, 89156, 94189, 113708, 156023, 188378, 312046, 376756, 624092, 659323, 1318646, 2637292, 2919859, 5839718, 11679436, 20439013, 40878026, 81756052]

約数ペア:

[(1, 81756052), (2, 40878026), (4, 20439013), (7, 11679436), (14, 5839718), (28, 2919859), (31, 2637292), (62, 1318646), (124, 659323), (131, 624092), (217, 376756), (262, 312046), (434, 188378), (524, 156023), (719, 113708), (868, 94189), (917, 89156), (1438, 56854), (1834, 44578), (2876, 28427), (3668, 22289), (4061, 20132), (5033, 16244), (8122, 10066)]