256210344

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{91243}}^1$

素因数の和:91271

約数の個数: 64

約数和(自身を含む): 766449600

約数和(自身を除く): 510239256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 91243, 182486, 273729, 364972, 547458, 729944, 821187, 1094916, 1186159, 1642374, 2189832, 2372318, 2463561, 3284748, 3558477, 4744636, 4927122, 6569496, 7116954, 9489272, 9854244, 10675431, 14233908, 19708488, 21350862, 28467816, 32026293, 42701724, 64052586, 85403448, 128105172, 256210344]

約数ペア:

[(1, 256210344), (2, 128105172), (3, 85403448), (4, 64052586), (6, 42701724), (8, 32026293), (9, 28467816), (12, 21350862), (13, 19708488), (18, 14233908), (24, 10675431), (26, 9854244), (27, 9489272), (36, 7116954), (39, 6569496), (52, 4927122), (54, 4744636), (72, 3558477), (78, 3284748), (104, 2463561), (108, 2372318), (117, 2189832), (156, 1642374), (216, 1186159), (234, 1094916), (312, 821187), (351, 729944), (468, 547458), (702, 364972), (936, 273729), (1404, 182486), (2808, 91243)]