397181648

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{128621}}^1$

素因数の和:128822

約数の個数: 20

約数和(自身を含む): 773532708

約数和(自身を除く): 376351060

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 128621, 257242, 514484, 1028968, 2057936, 24823853, 49647706, 99295412, 198590824, 397181648]

約数ペア:

[(1, 397181648), (2, 198590824), (4, 99295412), (8, 49647706), (16, 24823853), (193, 2057936), (386, 1028968), (772, 514484), (1544, 257242), (3088, 128621)]