138857411

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 195416064

約数和(自身を除く): 56558653

約数列:

[1, 7, 11, 17, 37, 47, 61, 77, 119, 187, 259, 329, 407, 427, 517, 629, 671, 799, 1037, 1309, 1739, 2257, 2849, 2867, 3619, 4403, 4697, 5593, 6919, 7259, 8789, 11407, 12173, 15799, 19129, 20069, 24827, 29563, 31537, 38369, 48433, 48739, 61523, 79849, 106079, 133903, 173789, 206941, 220759, 268583, 325193, 341173, 422059, 536129, 742553, 1166869, 1803343, 2276351, 2954413, 3752903, 8168083, 12623401, 19836773, 138857411]

約数ペア:

[(1, 138857411), (7, 19836773), (11, 12623401), (17, 8168083), (37, 3752903), (47, 2954413), (61, 2276351), (77, 1803343), (119, 1166869), (187, 742553), (259, 536129), (329, 422059), (407, 341173), (427, 325193), (517, 268583), (629, 220759), (671, 206941), (799, 173789), (1037, 133903), (1309, 106079), (1739, 79849), (2257, 61523), (2849, 48739), (2867, 48433), (3619, 38369), (4403, 31537), (4697, 29563), (5593, 24827), (6919, 20069), (7259, 19129), (8789, 15799), (11407, 12173)]