66914870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 138583872

約数和(自身を除く): 71669002

約数列:

[1, 2, 5, 10, 11, 22, 37, 41, 55, 74, 82, 110, 185, 205, 370, 401, 407, 410, 451, 802, 814, 902, 1517, 2005, 2035, 2255, 3034, 4010, 4070, 4411, 4510, 7585, 8822, 14837, 15170, 16441, 16687, 22055, 29674, 32882, 33374, 44110, 74185, 82205, 83435, 148370, 163207, 164410, 166870, 180851, 326414, 361702, 608317, 816035, 904255, 1216634, 1632070, 1808510, 3041585, 6083170, 6691487, 13382974, 33457435, 66914870]

約数ペア:

[(1, 66914870), (2, 33457435), (5, 13382974), (10, 6691487), (11, 6083170), (22, 3041585), (37, 1808510), (41, 1632070), (55, 1216634), (74, 904255), (82, 816035), (110, 608317), (185, 361702), (205, 326414), (370, 180851), (401, 166870), (407, 164410), (410, 163207), (451, 148370), (802, 83435), (814, 82205), (902, 74185), (1517, 44110), (2005, 33374), (2035, 32882), (2255, 29674), (3034, 22055), (4010, 16687), (4070, 16441), (4411, 15170), (4510, 14837), (7585, 8822)]