641437438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1\times {\mathrm{9533}}^1$

素因数の和:11531

約数の個数: 16

約数和(自身を含む): 1019375280

約数和(自身を除く): 377937842

約数列:

[1, 2, 17, 34, 1979, 3958, 9533, 19066, 33643, 67286, 162061, 324122, 18865807, 37731614, 320718719, 641437438]

約数ペア:

[(1, 641437438), (2, 320718719), (17, 37731614), (34, 18865807), (1979, 324122), (3958, 162061), (9533, 67286), (19066, 33643)]