313233025

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 455526400

約数和(自身を除く): 142293375

約数列:

[1, 5, 7, 25, 35, 79, 139, 163, 175, 395, 553, 695, 815, 973, 1141, 1975, 2765, 3475, 4075, 4865, 5705, 10981, 12877, 13825, 22657, 24325, 28525, 54905, 64385, 76867, 90139, 113285, 158599, 274525, 321925, 384335, 450695, 566425, 792995, 1789903, 1921675, 2253475, 3964975, 8949515, 12529321, 44747575, 62646605, 313233025]

約数ペア:

[(1, 313233025), (5, 62646605), (7, 44747575), (25, 12529321), (35, 8949515), (79, 3964975), (139, 2253475), (163, 1921675), (175, 1789903), (395, 792995), (553, 566425), (695, 450695), (815, 384335), (973, 321925), (1141, 274525), (1975, 158599), (2765, 113285), (3475, 90139), (4075, 76867), (4865, 64385), (5705, 54905), (10981, 28525), (12877, 24325), (13825, 22657)]