128821122

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{100799}}^1$

素因数の和:100878

約数の個数: 24

約数和(自身を含む): 283046400

約数和(自身を除く): 154225278

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 100799, 201598, 302397, 604794, 907191, 1814382, 7156729, 14313458, 21470187, 42940374, 64410561, 128821122]

約数ペア:

[(1, 128821122), (2, 64410561), (3, 42940374), (6, 21470187), (9, 14313458), (18, 7156729), (71, 1814382), (142, 907191), (213, 604794), (426, 302397), (639, 201598), (1278, 100799)]