69981808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2321

約数の個数: 40

約数和(自身を含む): 147018368

約数和(自身を除く): 77036560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2041, 2143, 2512, 4082, 4286, 8164, 8572, 16328, 17144, 27859, 32656, 34288, 55718, 111436, 222872, 336451, 445744, 672902, 1345804, 2691608, 4373863, 5383216, 8747726, 17495452, 34990904, 69981808]

約数ペア:

[(1, 69981808), (2, 34990904), (4, 17495452), (8, 8747726), (13, 5383216), (16, 4373863), (26, 2691608), (52, 1345804), (104, 672902), (157, 445744), (208, 336451), (314, 222872), (628, 111436), (1256, 55718), (2041, 34288), (2143, 32656), (2512, 27859), (4082, 17144), (4286, 16328), (8164, 8572)]