138472412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 287270928

約数和(自身を除く): 148798516

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 163, 221, 326, 403, 442, 527, 652, 806, 884, 961, 1054, 1612, 1922, 2108, 2119, 2771, 3844, 4238, 5053, 5542, 6851, 8476, 10106, 11084, 12493, 13702, 16337, 20212, 24986, 27404, 32674, 36023, 49972, 65348, 65689, 72046, 85901, 131378, 144092, 156643, 171802, 212381, 262756, 313286, 343604, 424762, 626572, 849524, 1116713, 2036359, 2233426, 2662931, 4072718, 4466852, 5325862, 8145436, 10651724, 34618103, 69236206, 138472412]

約数ペア:

[(1, 138472412), (2, 69236206), (4, 34618103), (13, 10651724), (17, 8145436), (26, 5325862), (31, 4466852), (34, 4072718), (52, 2662931), (62, 2233426), (68, 2036359), (124, 1116713), (163, 849524), (221, 626572), (326, 424762), (403, 343604), (442, 313286), (527, 262756), (652, 212381), (806, 171802), (884, 156643), (961, 144092), (1054, 131378), (1612, 85901), (1922, 72046), (2108, 65689), (2119, 65348), (2771, 49972), (3844, 36023), (4238, 32674), (5053, 27404), (5542, 24986), (6851, 20212), (8476, 16337), (10106, 13702), (11084, 12493)]