81237904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6323}}^1$

素因数の和:6415

約数の個数: 40

約数和(自身を含む): 174087072

約数和(自身を除く): 92849168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 3212, 6323, 6424, 12646, 12848, 25292, 50584, 69553, 101168, 139106, 278212, 461579, 556424, 923158, 1112848, 1846316, 3692632, 5077369, 7385264, 10154738, 20309476, 40618952, 81237904]

約数ペア:

[(1, 81237904), (2, 40618952), (4, 20309476), (8, 10154738), (11, 7385264), (16, 5077369), (22, 3692632), (44, 1846316), (73, 1112848), (88, 923158), (146, 556424), (176, 461579), (292, 278212), (584, 139106), (803, 101168), (1168, 69553), (1606, 50584), (3212, 25292), (6323, 12848), (6424, 12646)]