28061516

素因数分解:

$2^2\times 7^3\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 58094400

約数和(自身を除く): 30032884

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 181, 196, 226, 343, 362, 452, 686, 724, 791, 1267, 1372, 1582, 2534, 3164, 5068, 5537, 8869, 11074, 17738, 20453, 22148, 35476, 38759, 40906, 62083, 77518, 81812, 124166, 143171, 155036, 248332, 286342, 572684, 1002197, 2004394, 4008788, 7015379, 14030758, 28061516]

約数ペア:

[(1, 28061516), (2, 14030758), (4, 7015379), (7, 4008788), (14, 2004394), (28, 1002197), (49, 572684), (98, 286342), (113, 248332), (181, 155036), (196, 143171), (226, 124166), (343, 81812), (362, 77518), (452, 62083), (686, 40906), (724, 38759), (791, 35476), (1267, 22148), (1372, 20453), (1582, 17738), (2534, 11074), (3164, 8869), (5068, 5537)]