128768404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21277}}^1$

素因数の和:21387

約数の個数: 24

約数和(自身を含む): 241292520

約数和(自身を除く): 112524116

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 21277, 42554, 85108, 361709, 723418, 1446836, 1893653, 3787306, 7574612, 32192101, 64384202, 128768404]

約数ペア:

[(1, 128768404), (2, 64384202), (4, 32192101), (17, 7574612), (34, 3787306), (68, 1893653), (89, 1446836), (178, 723418), (356, 361709), (1513, 85108), (3026, 42554), (6052, 21277)]