28494998

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 21686122

約数列:

[1, 2, 7, 14, 71, 109, 142, 218, 263, 497, 526, 763, 994, 1526, 1841, 3682, 7739, 15478, 18673, 28667, 37346, 54173, 57334, 108346, 130711, 200669, 261422, 401338, 2035357, 4070714, 14247499, 28494998]

約数ペア:

[(1, 28494998), (2, 14247499), (7, 4070714), (14, 2035357), (71, 401338), (109, 261422), (142, 200669), (218, 130711), (263, 108346), (497, 57334), (526, 54173), (763, 37346), (994, 28667), (1526, 18673), (1841, 15478), (3682, 7739)]