123396784

素因数分解:

$2^4\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2617}}^1$

素因数の和:3053

約数の個数: 40

約数和(自身を含む): 273989408

約数和(自身を除く): 150592624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 421, 842, 1684, 2617, 2947, 3368, 5234, 5894, 6736, 10468, 11788, 18319, 20936, 23576, 36638, 41872, 47152, 73276, 146552, 293104, 1101757, 2203514, 4407028, 7712299, 8814056, 15424598, 17628112, 30849196, 61698392, 123396784]

約数ペア:

[(1, 123396784), (2, 61698392), (4, 30849196), (7, 17628112), (8, 15424598), (14, 8814056), (16, 7712299), (28, 4407028), (56, 2203514), (112, 1101757), (421, 293104), (842, 146552), (1684, 73276), (2617, 47152), (2947, 41872), (3368, 36638), (5234, 23576), (5894, 20936), (6736, 18319), (10468, 11788)]