71891728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{751}}^1$

素因数の和:983

約数の個数: 40

約数和(自身を含む): 144720896

約数和(自身を除く): 72829168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 248, 386, 496, 751, 772, 1502, 1544, 3004, 3088, 5983, 6008, 11966, 12016, 23281, 23932, 46562, 47864, 93124, 95728, 144943, 186248, 289886, 372496, 579772, 1159544, 2319088, 4493233, 8986466, 17972932, 35945864, 71891728]

約数ペア:

[(1, 71891728), (2, 35945864), (4, 17972932), (8, 8986466), (16, 4493233), (31, 2319088), (62, 1159544), (124, 579772), (193, 372496), (248, 289886), (386, 186248), (496, 144943), (751, 95728), (772, 93124), (1502, 47864), (1544, 46562), (3004, 23932), (3088, 23281), (5983, 12016), (6008, 11966)]