256402302

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5649

約数の個数: 64

約数和(自身を含む): 600176640

約数和(自身を除く): 343774338

約数列:

[1, 2, 3, 6, 13, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 186, 247, 403, 494, 589, 741, 806, 1178, 1209, 1482, 1767, 2418, 3534, 5581, 7657, 11162, 15314, 16743, 22971, 33486, 45942, 72553, 106039, 145106, 173011, 212078, 217659, 318117, 346022, 435318, 519033, 636234, 1038066, 1378507, 2249143, 2757014, 3287209, 4135521, 4498286, 6574418, 6747429, 8271042, 9861627, 13494858, 19723254, 42733717, 85467434, 128201151, 256402302]

約数ペア:

[(1, 256402302), (2, 128201151), (3, 85467434), (6, 42733717), (13, 19723254), (19, 13494858), (26, 9861627), (31, 8271042), (38, 6747429), (39, 6574418), (57, 4498286), (62, 4135521), (78, 3287209), (93, 2757014), (114, 2249143), (186, 1378507), (247, 1038066), (403, 636234), (494, 519033), (589, 435318), (741, 346022), (806, 318117), (1178, 217659), (1209, 212078), (1482, 173011), (1767, 145106), (2418, 106039), (3534, 72553), (5581, 45942), (7657, 33486), (11162, 22971), (15314, 16743)]