128821434

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{24151}}^1$

素因数の和:24290

約数の個数: 32

約数和(自身を含む): 296779776

約数和(自身を除く): 167958342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 5334, 24151, 48302, 72453, 144906, 169057, 338114, 507171, 1014342, 3067177, 6134354, 9201531, 18403062, 21470239, 42940478, 64410717, 128821434]

約数ペア:

[(1, 128821434), (2, 64410717), (3, 42940478), (6, 21470239), (7, 18403062), (14, 9201531), (21, 6134354), (42, 3067177), (127, 1014342), (254, 507171), (381, 338114), (762, 169057), (889, 144906), (1778, 72453), (2667, 48302), (5334, 24151)]