138651490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1249}}^1$

素因数の和:1926

約数の個数: 32

約数和(自身を含む): 264870000

約数和(自身を除く): 126218510

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 653, 1249, 1306, 2498, 3265, 6245, 6530, 11101, 12490, 21233, 22202, 42466, 55505, 106165, 111010, 212330, 815597, 1631194, 4077985, 8155970, 13865149, 27730298, 69325745, 138651490]

約数ペア:

[(1, 138651490), (2, 69325745), (5, 27730298), (10, 13865149), (17, 8155970), (34, 4077985), (85, 1631194), (170, 815597), (653, 212330), (1249, 111010), (1306, 106165), (2498, 55505), (3265, 42466), (6245, 22202), (6530, 21233), (11101, 12490)]