81403552

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{349}}^1$

素因数の和:593

約数の個数: 48

約数和(自身を含む): 165904200

約数和(自身を除く): 84500648

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 197, 296, 349, 394, 592, 698, 788, 1184, 1396, 1576, 2792, 3152, 5584, 6304, 7289, 11168, 12913, 14578, 25826, 29156, 51652, 58312, 68753, 103304, 116624, 137506, 206608, 233248, 275012, 413216, 550024, 1100048, 2200096, 2543861, 5087722, 10175444, 20350888, 40701776, 81403552]

約数ペア:

[(1, 81403552), (2, 40701776), (4, 20350888), (8, 10175444), (16, 5087722), (32, 2543861), (37, 2200096), (74, 1100048), (148, 550024), (197, 413216), (296, 275012), (349, 233248), (394, 206608), (592, 137506), (698, 116624), (788, 103304), (1184, 68753), (1396, 58312), (1576, 51652), (2792, 29156), (3152, 25826), (5584, 14578), (6304, 12913), (7289, 11168)]