4021508728

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 7927787520

約数和(自身を除く): 3906278792

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 353, 568, 647, 706, 1294, 1412, 2201, 2588, 2824, 4402, 5176, 8804, 10943, 17608, 20057, 21886, 25063, 40114, 43772, 45937, 50126, 80228, 87544, 91874, 100252, 160456, 183748, 200504, 228391, 367496, 456782, 776953, 913564, 1424047, 1553906, 1827128, 2848094, 3107812, 5696188, 6215624, 7080121, 11392376, 14160242, 16215761, 28320484, 32431522, 56640968, 64863044, 129726088, 502688591, 1005377182, 2010754364, 4021508728]

約数ペア:

[(1, 4021508728), (2, 2010754364), (4, 1005377182), (8, 502688591), (31, 129726088), (62, 64863044), (71, 56640968), (124, 32431522), (142, 28320484), (248, 16215761), (284, 14160242), (353, 11392376), (568, 7080121), (647, 6215624), (706, 5696188), (1294, 3107812), (1412, 2848094), (2201, 1827128), (2588, 1553906), (2824, 1424047), (4402, 913564), (5176, 776953), (8804, 456782), (10943, 367496), (17608, 228391), (20057, 200504), (21886, 183748), (25063, 160456), (40114, 100252), (43772, 91874), (45937, 87544), (50126, 80228)]