81477186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110123454

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 89, 142, 178, 213, 267, 307, 426, 497, 534, 614, 623, 921, 994, 1246, 1491, 1842, 1869, 2149, 2982, 3738, 4298, 6319, 6447, 12638, 12894, 18957, 21797, 27323, 37914, 43594, 44233, 54646, 65391, 81969, 88466, 130782, 132699, 152579, 163938, 191261, 265398, 305158, 382522, 457737, 573783, 915474, 1147566, 1939933, 3879866, 5819799, 11639598, 13579531, 27159062, 40738593, 81477186]

約数ペア:

[(1, 81477186), (2, 40738593), (3, 27159062), (6, 13579531), (7, 11639598), (14, 5819799), (21, 3879866), (42, 1939933), (71, 1147566), (89, 915474), (142, 573783), (178, 457737), (213, 382522), (267, 305158), (307, 265398), (426, 191261), (497, 163938), (534, 152579), (614, 132699), (623, 130782), (921, 88466), (994, 81969), (1246, 65391), (1491, 54646), (1842, 44233), (1869, 43594), (2149, 37914), (2982, 27323), (3738, 21797), (4298, 18957), (6319, 12894), (6447, 12638)]