81297130

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 150698880

約数和(自身を除く): 69401750

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 1709, 3418, 4757, 8545, 9514, 17090, 23785, 47570, 114503, 121339, 229006, 242678, 572515, 606695, 1145030, 1213390, 8129713, 16259426, 40648565, 81297130]

約数ペア:

[(1, 81297130), (2, 40648565), (5, 16259426), (10, 8129713), (67, 1213390), (71, 1145030), (134, 606695), (142, 572515), (335, 242678), (355, 229006), (670, 121339), (710, 114503), (1709, 47570), (3418, 23785), (4757, 17090), (8545, 9514)]