25031398

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 45561600

約数和(自身を除く): 20530202

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 677, 973, 1354, 1946, 2641, 4739, 5282, 9478, 12863, 18487, 25726, 36974, 90041, 94103, 180082, 188206, 658721, 1317442, 1787957, 3575914, 12515699, 25031398]

約数ペア:

[(1, 25031398), (2, 12515699), (7, 3575914), (14, 1787957), (19, 1317442), (38, 658721), (133, 188206), (139, 180082), (266, 94103), (278, 90041), (677, 36974), (973, 25726), (1354, 18487), (1946, 12863), (2641, 9478), (4739, 5282)]