65671216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2189

約数の個数: 40

約数和(自身を含む): 137966864

約数和(自身を除く): 72295648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2011, 2041, 2512, 4022, 4082, 8044, 8164, 16088, 16328, 26143, 32176, 32656, 52286, 104572, 209144, 315727, 418288, 631454, 1262908, 2525816, 4104451, 5051632, 8208902, 16417804, 32835608, 65671216]

約数ペア:

[(1, 65671216), (2, 32835608), (4, 16417804), (8, 8208902), (13, 5051632), (16, 4104451), (26, 2525816), (52, 1262908), (104, 631454), (157, 418288), (208, 315727), (314, 209144), (628, 104572), (1256, 52286), (2011, 32656), (2041, 32176), (2512, 26143), (4022, 16328), (4082, 16088), (8044, 8164)]