78901438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1069

約数の個数: 48

約数和(自身を含む): 151990272

約数和(自身を除く): 73088834

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 121, 154, 242, 329, 517, 658, 847, 991, 1034, 1694, 1982, 3619, 5687, 6937, 7238, 10901, 11374, 13874, 21802, 39809, 46577, 76307, 79618, 93154, 119911, 152614, 239822, 326039, 512347, 652078, 839377, 1024694, 1678754, 3586429, 5635817, 7172858, 11271634, 39450719, 78901438]

約数ペア:

[(1, 78901438), (2, 39450719), (7, 11271634), (11, 7172858), (14, 5635817), (22, 3586429), (47, 1678754), (77, 1024694), (94, 839377), (121, 652078), (154, 512347), (242, 326039), (329, 239822), (517, 152614), (658, 119911), (847, 93154), (991, 79618), (1034, 76307), (1694, 46577), (1982, 39809), (3619, 21802), (5687, 13874), (6937, 11374), (7238, 10901)]