31798285812

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{311}}^1\times {\mathrm{20731}}^1$

素因数の和:21189

約数の個数: 72

約数和(自身を含む): 81229966272

約数和(自身を除く): 49431680460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 311, 411, 548, 622, 822, 933, 1233, 1244, 1644, 1866, 2466, 2799, 3732, 4932, 5598, 11196, 20731, 41462, 42607, 62193, 82924, 85214, 124386, 127821, 170428, 186579, 248772, 255642, 373158, 383463, 511284, 746316, 766926, 1533852, 2840147, 5680294, 6447341, 8520441, 11360588, 12894682, 17040882, 19342023, 25561323, 25789364, 34081764, 38684046, 51122646, 58026069, 77368092, 102245292, 116052138, 232104276, 883285717, 1766571434, 2649857151, 3533142868, 5299714302, 7949571453, 10599428604, 15899142906, 31798285812]

約数ペア:

[(1, 31798285812), (2, 15899142906), (3, 10599428604), (4, 7949571453), (6, 5299714302), (9, 3533142868), (12, 2649857151), (18, 1766571434), (36, 883285717), (137, 232104276), (274, 116052138), (311, 102245292), (411, 77368092), (548, 58026069), (622, 51122646), (822, 38684046), (933, 34081764), (1233, 25789364), (1244, 25561323), (1644, 19342023), (1866, 17040882), (2466, 12894682), (2799, 11360588), (3732, 8520441), (4932, 6447341), (5598, 5680294), (11196, 2840147), (20731, 1533852), (41462, 766926), (42607, 746316), (62193, 511284), (82924, 383463), (85214, 373158), (124386, 255642), (127821, 248772), (170428, 186579)]