81638576

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{577}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 163412160

約数和(自身を除く): 81773584

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 239, 296, 478, 577, 592, 956, 1154, 1912, 2308, 3824, 4616, 8843, 9232, 17686, 21349, 35372, 42698, 70744, 85396, 137903, 141488, 170792, 275806, 341584, 551612, 1103224, 2206448, 5102411, 10204822, 20409644, 40819288, 81638576]

約数ペア:

[(1, 81638576), (2, 40819288), (4, 20409644), (8, 10204822), (16, 5102411), (37, 2206448), (74, 1103224), (148, 551612), (239, 341584), (296, 275806), (478, 170792), (577, 141488), (592, 137903), (956, 85396), (1154, 70744), (1912, 42698), (2308, 35372), (3824, 21349), (4616, 17686), (8843, 9232)]