27978728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 54137160

約数和(自身を除く): 26158432

約数列:

[1, 2, 4, 8, 41, 82, 164, 197, 328, 394, 433, 788, 866, 1576, 1732, 3464, 8077, 16154, 17753, 32308, 35506, 64616, 71012, 85301, 142024, 170602, 341204, 682408, 3497341, 6994682, 13989364, 27978728]

約数ペア:

[(1, 27978728), (2, 13989364), (4, 6994682), (8, 3497341), (41, 682408), (82, 341204), (164, 170602), (197, 142024), (328, 85301), (394, 71012), (433, 64616), (788, 35506), (866, 32308), (1576, 17753), (1732, 16154), (3464, 8077)]