78892786

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 59485454

約数列:

[1, 2, 7, 14, 71, 139, 142, 278, 497, 571, 973, 994, 1142, 1946, 3997, 7994, 9869, 19738, 40541, 69083, 79369, 81082, 138166, 158738, 283787, 555583, 567574, 1111166, 5635199, 11270398, 39446393, 78892786]

約数ペア:

[(1, 78892786), (2, 39446393), (7, 11270398), (14, 5635199), (71, 1111166), (139, 567574), (142, 555583), (278, 283787), (497, 158738), (571, 138166), (973, 81082), (994, 79369), (1142, 69083), (1946, 40541), (3997, 19738), (7994, 9869)]