489370076494

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^2\times {\mathrm{2879}}^1$

素因数の和:3146

約数の個数: 72

約数和(自身を含む): 815861082240

約数和(自身を除く): 326491005746

約数列:

[1, 2, 13, 26, 73, 83, 146, 166, 169, 338, 949, 1079, 1898, 2158, 2879, 5758, 6059, 6889, 12118, 12337, 13778, 14027, 24674, 28054, 37427, 74854, 78767, 89557, 157534, 179114, 210167, 238957, 420334, 477914, 486551, 502897, 973102, 1005794, 1023971, 1164241, 2047942, 2328482, 2732171, 3106441, 5464342, 6212882, 6537661, 13075322, 17443861, 19833431, 34887722, 35518223, 39666862, 40383733, 71036446, 80767466, 84989593, 169979186, 226770193, 257834603, 453540386, 515669206, 1447840463, 2895680926, 2948012509, 3351849839, 5896025018, 6703699678, 18821926019, 37643852038, 244685038247, 489370076494]

約数ペア:

[(1, 489370076494), (2, 244685038247), (13, 37643852038), (26, 18821926019), (73, 6703699678), (83, 5896025018), (146, 3351849839), (166, 2948012509), (169, 2895680926), (338, 1447840463), (949, 515669206), (1079, 453540386), (1898, 257834603), (2158, 226770193), (2879, 169979186), (5758, 84989593), (6059, 80767466), (6889, 71036446), (12118, 40383733), (12337, 39666862), (13778, 35518223), (14027, 34887722), (24674, 19833431), (28054, 17443861), (37427, 13075322), (74854, 6537661), (78767, 6212882), (89557, 5464342), (157534, 3106441), (179114, 2732171), (210167, 2328482), (238957, 2047942), (420334, 1164241), (477914, 1023971), (486551, 1005794), (502897, 973102)]