81787168

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1031}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 168001344

約数和(自身を除く): 86214176

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 268, 296, 536, 592, 1031, 1072, 1184, 2062, 2144, 2479, 4124, 4958, 8248, 9916, 16496, 19832, 32992, 38147, 39664, 69077, 76294, 79328, 138154, 152588, 276308, 305176, 552616, 610352, 1105232, 1220704, 2210464, 2555849, 5111698, 10223396, 20446792, 40893584, 81787168]

約数ペア:

[(1, 81787168), (2, 40893584), (4, 20446792), (8, 10223396), (16, 5111698), (32, 2555849), (37, 2210464), (67, 1220704), (74, 1105232), (134, 610352), (148, 552616), (268, 305176), (296, 276308), (536, 152588), (592, 138154), (1031, 79328), (1072, 76294), (1184, 69077), (2062, 39664), (2144, 38147), (2479, 32992), (4124, 19832), (4958, 16496), (8248, 9916)]