1285707852

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{249749}}^1$

素因数の和:249783

約数の個数: 72

約数和(自身を含む): 3818178000

約数和(自身を除く): 2532470148

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 249749, 499498, 749247, 998996, 1498494, 2247741, 2747239, 2996988, 3246737, 4495482, 5494478, 6493474, 8241717, 8990964, 9740211, 10988956, 12986948, 16483434, 19480422, 24725151, 29220633, 32966868, 35714107, 38960844, 49450302, 58441266, 71428214, 98900604, 107142321, 116882532, 142856428, 214284642, 321426963, 428569284, 642853926, 1285707852]

約数ペア:

[(1, 1285707852), (2, 642853926), (3, 428569284), (4, 321426963), (6, 214284642), (9, 142856428), (11, 116882532), (12, 107142321), (13, 98900604), (18, 71428214), (22, 58441266), (26, 49450302), (33, 38960844), (36, 35714107), (39, 32966868), (44, 29220633), (52, 24725151), (66, 19480422), (78, 16483434), (99, 12986948), (117, 10988956), (132, 9740211), (143, 8990964), (156, 8241717), (198, 6493474), (234, 5494478), (286, 4495482), (396, 3246737), (429, 2996988), (468, 2747239), (572, 2247741), (858, 1498494), (1287, 998996), (1716, 749247), (2574, 499498), (5148, 249749)]