209155884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2591}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 576543744

約数和(自身を除く): 367387860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 961, 1302, 1922, 2591, 2604, 2883, 3844, 5182, 5766, 6727, 7773, 10364, 11532, 13454, 15546, 18137, 20181, 26908, 31092, 36274, 40362, 54411, 72548, 80321, 80724, 108822, 160642, 217644, 240963, 321284, 481926, 562247, 963852, 1124494, 1686741, 2248988, 2489951, 3373482, 4979902, 6746964, 7469853, 9959804, 14939706, 17429657, 29879412, 34859314, 52288971, 69718628, 104577942, 209155884]

約数ペア:

[(1, 209155884), (2, 104577942), (3, 69718628), (4, 52288971), (6, 34859314), (7, 29879412), (12, 17429657), (14, 14939706), (21, 9959804), (28, 7469853), (31, 6746964), (42, 4979902), (62, 3373482), (84, 2489951), (93, 2248988), (124, 1686741), (186, 1124494), (217, 963852), (372, 562247), (434, 481926), (651, 321284), (868, 240963), (961, 217644), (1302, 160642), (1922, 108822), (2591, 80724), (2604, 80321), (2883, 72548), (3844, 54411), (5182, 40362), (5766, 36274), (6727, 31092), (7773, 26908), (10364, 20181), (11532, 18137), (13454, 15546)]