31578352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{967}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 66377696

約数和(自身を除く): 34799344

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 967, 1256, 1934, 2041, 2512, 3868, 4082, 7736, 8164, 12571, 15472, 16328, 25142, 32656, 50284, 100568, 151819, 201136, 303638, 607276, 1214552, 1973647, 2429104, 3947294, 7894588, 15789176, 31578352]

約数ペア:

[(1, 31578352), (2, 15789176), (4, 7894588), (8, 3947294), (13, 2429104), (16, 1973647), (26, 1214552), (52, 607276), (104, 303638), (157, 201136), (208, 151819), (314, 100568), (628, 50284), (967, 32656), (1256, 25142), (1934, 16328), (2041, 15472), (2512, 12571), (3868, 8164), (4082, 7736)]