65203984

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 128895768

約数和(自身を除く): 63691784

約数列:

[1, 2, 4, 8, 16, 101, 157, 202, 257, 314, 404, 514, 628, 808, 1028, 1256, 1616, 2056, 2512, 4112, 15857, 25957, 31714, 40349, 51914, 63428, 80698, 103828, 126856, 161396, 207656, 253712, 322792, 415312, 645584, 4075249, 8150498, 16300996, 32601992, 65203984]

約数ペア:

[(1, 65203984), (2, 32601992), (4, 16300996), (8, 8150498), (16, 4075249), (101, 645584), (157, 415312), (202, 322792), (257, 253712), (314, 207656), (404, 161396), (514, 126856), (628, 103828), (808, 80698), (1028, 63428), (1256, 51914), (1616, 40349), (2056, 31714), (2512, 25957), (4112, 15857)]