396896

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 796320

約数和(自身を除く): 399424

約数列:

[1, 2, 4, 8, 16, 32, 79, 157, 158, 314, 316, 628, 632, 1256, 1264, 2512, 2528, 5024, 12403, 24806, 49612, 99224, 198448, 396896]

約数ペア:

[(1, 396896), (2, 198448), (4, 99224), (8, 49612), (16, 24806), (32, 12403), (79, 5024), (157, 2528), (158, 2512), (314, 1264), (316, 1256), (628, 632)]