668721214

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{5393}}^1$

素因数の和:5940

約数の個数: 32

約数和(自身を含む): 1216368576

約数和(自身を除く): 547647362

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 521, 1042, 3647, 5393, 7294, 8857, 10786, 17714, 37751, 61999, 75502, 91681, 123998, 183362, 641767, 1283534, 2809753, 5619506, 19668271, 39336542, 47765801, 95531602, 334360607, 668721214]

約数ペア:

[(1, 668721214), (2, 334360607), (7, 95531602), (14, 47765801), (17, 39336542), (34, 19668271), (119, 5619506), (238, 2809753), (521, 1283534), (1042, 641767), (3647, 183362), (5393, 123998), (7294, 91681), (8857, 75502), (10786, 61999), (17714, 37751)]