348570856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{18439}}^1$

素因数の和:18601

約数の個数: 32

約数和(自身を含む): 697032000

約数和(自身を除く): 348461144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 9452, 18439, 18904, 36878, 73756, 147512, 313463, 626926, 1253852, 2507704, 2563021, 5126042, 10252084, 20504168, 43571357, 87142714, 174285428, 348570856]

約数ペア:

[(1, 348570856), (2, 174285428), (4, 87142714), (8, 43571357), (17, 20504168), (34, 10252084), (68, 5126042), (136, 2563021), (139, 2507704), (278, 1253852), (556, 626926), (1112, 313463), (2363, 147512), (4726, 73756), (9452, 36878), (18439, 18904)]