398938384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{66137}}^1$

素因数の和:66187

約数の個数: 40

約数和(自身を含む): 861116760

約数和(自身を除く): 462178376

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 6032, 66137, 132274, 264548, 529096, 859781, 1058192, 1719562, 1917973, 3439124, 3835946, 6878248, 7671892, 13756496, 15343784, 24933649, 30687568, 49867298, 99734596, 199469192, 398938384]

約数ペア:

[(1, 398938384), (2, 199469192), (4, 99734596), (8, 49867298), (13, 30687568), (16, 24933649), (26, 15343784), (29, 13756496), (52, 7671892), (58, 6878248), (104, 3835946), (116, 3439124), (208, 1917973), (232, 1719562), (377, 1058192), (464, 859781), (754, 529096), (1508, 264548), (3016, 132274), (6032, 66137)]