28391022

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 67511808

約数和(自身を除く): 39120786

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 223, 446, 643, 669, 1286, 1338, 1929, 2007, 2453, 3858, 4014, 4906, 5787, 7073, 7359, 11574, 14146, 14718, 21219, 22077, 42438, 44154, 63657, 127314, 143389, 286778, 430167, 860334, 1290501, 1577279, 2581002, 3154558, 4731837, 9463674, 14195511, 28391022]

約数ペア:

[(1, 28391022), (2, 14195511), (3, 9463674), (6, 4731837), (9, 3154558), (11, 2581002), (18, 1577279), (22, 1290501), (33, 860334), (66, 430167), (99, 286778), (198, 143389), (223, 127314), (446, 63657), (643, 44154), (669, 42438), (1286, 22077), (1338, 21219), (1929, 14718), (2007, 14146), (2453, 11574), (3858, 7359), (4014, 7073), (4906, 5787)]