128857204

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2801}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 271143936

約数和(自身を除く): 142286732

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 2801, 3286, 5602, 6572, 11204, 11501, 19607, 23002, 39214, 46004, 78428, 86831, 148453, 173662, 296906, 347324, 593812, 607817, 1039171, 1215634, 2078342, 2431268, 4156684, 4602043, 9204086, 18408172, 32214301, 64428602, 128857204]

約数ペア:

[(1, 128857204), (2, 64428602), (4, 32214301), (7, 18408172), (14, 9204086), (28, 4602043), (31, 4156684), (53, 2431268), (62, 2078342), (106, 1215634), (124, 1039171), (212, 607817), (217, 593812), (371, 347324), (434, 296906), (742, 173662), (868, 148453), (1484, 86831), (1643, 78428), (2801, 46004), (3286, 39214), (5602, 23002), (6572, 19607), (11204, 11501)]