123456284

素因数分解:

$2^2\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1987}}^1$

素因数の和:2322

約数の個数: 36

約数和(自身を含む): 252241416

約数和(自身を除く): 128785132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 317, 634, 1268, 1987, 2219, 3974, 4438, 7948, 8876, 13909, 15533, 27818, 31066, 55636, 62132, 97363, 194726, 389452, 629879, 1259758, 2519516, 4409153, 8818306, 17636612, 30864071, 61728142, 123456284]

約数ペア:

[(1, 123456284), (2, 61728142), (4, 30864071), (7, 17636612), (14, 8818306), (28, 4409153), (49, 2519516), (98, 1259758), (196, 629879), (317, 389452), (634, 194726), (1268, 97363), (1987, 62132), (2219, 55636), (3974, 31066), (4438, 27818), (7948, 15533), (8876, 13909)]