215564842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{881}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 350542080

約数和(自身を除く): 134977238

約数列:

[1, 2, 19, 38, 47, 94, 137, 274, 881, 893, 1762, 1786, 2603, 5206, 6439, 12878, 16739, 33478, 41407, 82814, 120697, 122341, 241394, 244682, 786733, 1573466, 2293243, 4586486, 5672759, 11345518, 107782421, 215564842]

約数ペア:

[(1, 215564842), (2, 107782421), (19, 11345518), (38, 5672759), (47, 4586486), (94, 2293243), (137, 1573466), (274, 786733), (881, 244682), (893, 241394), (1762, 122341), (1786, 120697), (2603, 82814), (5206, 41407), (6439, 33478), (12878, 16739)]