256593246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8867}}^1$

素因数の和:8945

約数の個数: 64

約数和(自身を含む): 643603968

約数和(自身を除く): 387010722

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 8867, 9646, 14469, 17734, 26601, 28938, 53202, 62069, 115271, 124138, 186207, 230542, 345813, 372414, 469951, 691626, 806897, 939902, 1409853, 1613794, 2420691, 2819706, 3289657, 4841382, 6109363, 6579314, 9868971, 12218726, 18328089, 19737942, 36656178, 42765541, 85531082, 128296623, 256593246]

約数ペア:

[(1, 256593246), (2, 128296623), (3, 85531082), (6, 42765541), (7, 36656178), (13, 19737942), (14, 18328089), (21, 12218726), (26, 9868971), (39, 6579314), (42, 6109363), (53, 4841382), (78, 3289657), (91, 2819706), (106, 2420691), (159, 1613794), (182, 1409853), (273, 939902), (318, 806897), (371, 691626), (546, 469951), (689, 372414), (742, 345813), (1113, 230542), (1378, 186207), (2067, 124138), (2226, 115271), (4134, 62069), (4823, 53202), (8867, 28938), (9646, 26601), (14469, 17734)]