28571728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 57808800

約数和(自身を除く): 29237072

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 139, 232, 278, 443, 464, 556, 886, 1112, 1772, 2224, 3544, 4031, 7088, 8062, 12847, 16124, 25694, 32248, 51388, 61577, 64496, 102776, 123154, 205552, 246308, 492616, 985232, 1785733, 3571466, 7142932, 14285864, 28571728]

約数ペア:

[(1, 28571728), (2, 14285864), (4, 7142932), (8, 3571466), (16, 1785733), (29, 985232), (58, 492616), (116, 246308), (139, 205552), (232, 123154), (278, 102776), (443, 64496), (464, 61577), (556, 51388), (886, 32248), (1112, 25694), (1772, 16124), (2224, 12847), (3544, 8062), (4031, 7088)]