81326.000000

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 857304

約数和(自身を除く): 482488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 53, 68, 104, 106, 136, 208, 212, 221, 272, 416, 424, 442, 544, 689, 848, 884, 901, 1378, 1696, 1768, 1802, 2756, 3536, 3604, 5512, 7072, 7208, 11024, 11713, 14416, 22048, 23426, 28832, 46852, 93704, 187408, 374816]

約数ペア:

[(1, 374816), (2, 187408), (4, 93704), (8, 46852), (13, 28832), (16, 23426), (17, 22048), (26, 14416), (32, 11713), (34, 11024), (52, 7208), (53, 7072), (68, 5512), (104, 3604), (106, 3536), (136, 2756), (208, 1802), (212, 1768), (221, 1696), (272, 1378), (416, 901), (424, 884), (442, 848), (544, 689)]