81724786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7723}}^1$

素因数の和:7786

約数の個数: 32

約数和(自身を含む): 147930048

約数和(自身を除く): 66205262

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 5291, 7723, 10582, 15446, 84953, 100399, 169906, 200798, 285751, 571502, 1104389, 2208778, 3143261, 3714763, 6286522, 7429526, 40862393, 81724786]

約数ペア:

[(1, 81724786), (2, 40862393), (11, 7429526), (13, 6286522), (22, 3714763), (26, 3143261), (37, 2208778), (74, 1104389), (143, 571502), (286, 285751), (407, 200798), (481, 169906), (814, 100399), (962, 84953), (5291, 15446), (7723, 10582)]