987910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1283}}^1$

素因数の和:1308

約数の個数: 32

約数和(自身を含む): 2218752

約数和(自身を除く): 1230842

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1283, 2566, 6415, 8981, 12830, 14113, 17962, 28226, 44905, 70565, 89810, 98791, 141130, 197582, 493955, 987910]

約数ペア:

[(1, 987910), (2, 493955), (5, 197582), (7, 141130), (10, 98791), (11, 89810), (14, 70565), (22, 44905), (35, 28226), (55, 17962), (70, 14113), (77, 12830), (110, 8981), (154, 6415), (385, 2566), (770, 1283)]