87145808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{320389}}^1$

素因数の和:320414

約数の個数: 20

約数和(自身を含む): 178777620

約数和(自身を除く): 91631812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 320389, 640778, 1281556, 2563112, 5126224, 5446613, 10893226, 21786452, 43572904, 87145808]

約数ペア:

[(1, 87145808), (2, 43572904), (4, 21786452), (8, 10893226), (16, 5446613), (17, 5126224), (34, 2563112), (68, 1281556), (136, 640778), (272, 320389)]