2178771856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{99907}}^1$

素因数の和:99991

約数の個数: 40

約数和(自身を含む): 4459893120

約数和(自身を除く): 2281121264

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 1363, 2726, 5452, 10904, 21808, 99907, 199814, 399628, 799256, 1598512, 2897303, 4695629, 5794606, 9391258, 11589212, 18782516, 23178424, 37565032, 46356848, 75130064, 136173241, 272346482, 544692964, 1089385928, 2178771856]

約数ペア:

[(1, 2178771856), (2, 1089385928), (4, 544692964), (8, 272346482), (16, 136173241), (29, 75130064), (47, 46356848), (58, 37565032), (94, 23178424), (116, 18782516), (188, 11589212), (232, 9391258), (376, 5794606), (464, 4695629), (752, 2897303), (1363, 1598512), (2726, 799256), (5452, 399628), (10904, 199814), (21808, 99907)]