388128428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 771552432

約数和(自身を除く): 383424004

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 97, 163, 194, 323, 326, 361, 388, 646, 652, 722, 1292, 1444, 1649, 1843, 2771, 3097, 3298, 3686, 5542, 6137, 6194, 6596, 7372, 11084, 12274, 12388, 15811, 24548, 31331, 31622, 35017, 52649, 58843, 62662, 63244, 70034, 105298, 117686, 125324, 140068, 210596, 235372, 268787, 300409, 537574, 595289, 600818, 1000331, 1075148, 1190578, 1201636, 2000662, 2381156, 4001324, 5106953, 5707771, 10213906, 11415542, 20427812, 22831084, 97032107, 194064214, 388128428]

約数ペア:

[(1, 388128428), (2, 194064214), (4, 97032107), (17, 22831084), (19, 20427812), (34, 11415542), (38, 10213906), (68, 5707771), (76, 5106953), (97, 4001324), (163, 2381156), (194, 2000662), (323, 1201636), (326, 1190578), (361, 1075148), (388, 1000331), (646, 600818), (652, 595289), (722, 537574), (1292, 300409), (1444, 268787), (1649, 235372), (1843, 210596), (2771, 140068), (3097, 125324), (3298, 117686), (3686, 105298), (5542, 70034), (6137, 63244), (6194, 62662), (6596, 58843), (7372, 52649), (11084, 35017), (12274, 31622), (12388, 31331), (15811, 24548)]