28927690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13841}}^1$

素因数の和:13878

約数の個数: 32

約数和(自身を含む): 59797440

約数和(自身を除く): 30869750

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13841, 27682, 69205, 138410, 152251, 262979, 304502, 525958, 761255, 1314895, 1522510, 2629790, 2892769, 5785538, 14463845, 28927690]

約数ペア:

[(1, 28927690), (2, 14463845), (5, 5785538), (10, 2892769), (11, 2629790), (19, 1522510), (22, 1314895), (38, 761255), (55, 525958), (95, 304502), (110, 262979), (190, 152251), (209, 138410), (418, 69205), (1045, 27682), (2090, 13841)]