15721444374

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{997427}}^1$

素因数の和:997540

約数の個数: 32

約数和(自身を含む): 32747556096

約数和(自身を除く): 17026111722

約数列:

[1, 2, 3, 6, 37, 71, 74, 111, 142, 213, 222, 426, 2627, 5254, 7881, 15762, 997427, 1994854, 2992281, 5984562, 36904799, 70817317, 73809598, 110714397, 141634634, 212451951, 221428794, 424903902, 2620240729, 5240481458, 7860722187, 15721444374]

約数ペア:

[(1, 15721444374), (2, 7860722187), (3, 5240481458), (6, 2620240729), (37, 424903902), (71, 221428794), (74, 212451951), (111, 141634634), (142, 110714397), (213, 73809598), (222, 70817317), (426, 36904799), (2627, 5984562), (5254, 2992281), (7881, 1994854), (15762, 997427)]