331328390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 605309760

約数和(自身を除く): 273981370

約数列:

[1, 2, 5, 10, 109, 197, 218, 394, 545, 985, 1090, 1543, 1970, 3086, 7715, 15430, 21473, 42946, 107365, 168187, 214730, 303971, 336374, 607942, 840935, 1519855, 1681870, 3039710, 33132839, 66265678, 165664195, 331328390]

約数ペア:

[(1, 331328390), (2, 165664195), (5, 66265678), (10, 33132839), (109, 3039710), (197, 1681870), (218, 1519855), (394, 840935), (545, 607942), (985, 336374), (1090, 303971), (1543, 214730), (1970, 168187), (3086, 107365), (7715, 42946), (15430, 21473)]