207868384

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2915

約数の個数: 48

約数和(自身を含む): 436590000

約数和(自身を除く): 228721616

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 544, 556, 1112, 2224, 2363, 2749, 4448, 4726, 5498, 9452, 10996, 18904, 21992, 37808, 43984, 46733, 75616, 87968, 93466, 186932, 373864, 382111, 747728, 764222, 1495456, 1528444, 3056888, 6113776, 6495887, 12227552, 12991774, 25983548, 51967096, 103934192, 207868384]

約数ペア:

[(1, 207868384), (2, 103934192), (4, 51967096), (8, 25983548), (16, 12991774), (17, 12227552), (32, 6495887), (34, 6113776), (68, 3056888), (136, 1528444), (139, 1495456), (272, 764222), (278, 747728), (544, 382111), (556, 373864), (1112, 186932), (2224, 93466), (2363, 87968), (2749, 75616), (4448, 46733), (4726, 43984), (5498, 37808), (9452, 21992), (10996, 18904)]