397163936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2833}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 844860744

約数和(自身を除く): 447696808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 337, 416, 674, 1348, 2696, 2833, 4381, 5392, 5666, 8762, 10784, 11332, 17524, 22664, 35048, 36829, 45328, 70096, 73658, 90656, 140192, 147316, 294632, 589264, 954721, 1178528, 1909442, 3818884, 7637768, 12411373, 15275536, 24822746, 30551072, 49645492, 99290984, 198581968, 397163936]

約数ペア:

[(1, 397163936), (2, 198581968), (4, 99290984), (8, 49645492), (13, 30551072), (16, 24822746), (26, 15275536), (32, 12411373), (52, 7637768), (104, 3818884), (208, 1909442), (337, 1178528), (416, 954721), (674, 589264), (1348, 294632), (2696, 147316), (2833, 140192), (4381, 90656), (5392, 73658), (5666, 70096), (8762, 45328), (10784, 36829), (11332, 35048), (17524, 22664)]