397795424

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{4001}}^1$

素因数の和:4263

約数の個数: 48

約数和(自身を含む): 847143360

約数和(自身を除く): 449347936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 239, 416, 478, 956, 1912, 3107, 3824, 4001, 6214, 7648, 8002, 12428, 16004, 24856, 32008, 49712, 52013, 64016, 99424, 104026, 128032, 208052, 416104, 832208, 956239, 1664416, 1912478, 3824956, 7649912, 12431107, 15299824, 24862214, 30599648, 49724428, 99448856, 198897712, 397795424]

約数ペア:

[(1, 397795424), (2, 198897712), (4, 99448856), (8, 49724428), (13, 30599648), (16, 24862214), (26, 15299824), (32, 12431107), (52, 7649912), (104, 3824956), (208, 1912478), (239, 1664416), (416, 956239), (478, 832208), (956, 416104), (1912, 208052), (3107, 128032), (3824, 104026), (4001, 99424), (6214, 64016), (7648, 52013), (8002, 49712), (12428, 32008), (16004, 24856)]