28020304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1259}}^1$

素因数の和:1387

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 31038416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1259, 1391, 1712, 2518, 2782, 5036, 5564, 10072, 11128, 16367, 20144, 22256, 32734, 65468, 130936, 134713, 261872, 269426, 538852, 1077704, 1751269, 2155408, 3502538, 7005076, 14010152, 28020304]

約数ペア:

[(1, 28020304), (2, 14010152), (4, 7005076), (8, 3502538), (13, 2155408), (16, 1751269), (26, 1077704), (52, 538852), (104, 269426), (107, 261872), (208, 134713), (214, 130936), (428, 65468), (856, 32734), (1259, 22256), (1391, 20144), (1712, 16367), (2518, 11128), (2782, 10072), (5036, 5564)]