285405197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4639}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 384860160

約数和(自身を除く): 99454963

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 329, 517, 799, 1309, 3619, 4639, 5593, 8789, 32473, 51029, 61523, 78863, 218033, 357203, 552041, 867493, 1526231, 2398363, 3706561, 6072451, 16788541, 25945927, 40772171, 285405197]

約数ペア:

[(1, 285405197), (7, 40772171), (11, 25945927), (17, 16788541), (47, 6072451), (77, 3706561), (119, 2398363), (187, 1526231), (329, 867493), (517, 552041), (799, 357203), (1309, 218033), (3619, 78863), (4639, 61523), (5593, 51029), (8789, 32473)]