256358778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1093}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 576371712

約数和(自身を除く): 320012934

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 97, 186, 194, 291, 403, 582, 806, 1093, 1209, 1261, 2186, 2418, 2522, 3007, 3279, 3783, 6014, 6558, 7566, 9021, 14209, 18042, 28418, 33883, 39091, 42627, 67766, 78182, 85254, 101649, 106021, 117273, 203298, 212042, 234546, 318063, 440479, 636126, 880958, 1321437, 1378273, 2642874, 2756546, 3286651, 4134819, 6573302, 8269638, 9859953, 19719906, 42726463, 85452926, 128179389, 256358778]

約数ペア:

[(1, 256358778), (2, 128179389), (3, 85452926), (6, 42726463), (13, 19719906), (26, 9859953), (31, 8269638), (39, 6573302), (62, 4134819), (78, 3286651), (93, 2756546), (97, 2642874), (186, 1378273), (194, 1321437), (291, 880958), (403, 636126), (582, 440479), (806, 318063), (1093, 234546), (1209, 212042), (1261, 203298), (2186, 117273), (2418, 106021), (2522, 101649), (3007, 85254), (3279, 78182), (3783, 67766), (6014, 42627), (6558, 39091), (7566, 33883), (9021, 28418), (14209, 18042)]