1997706474

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:572

約数の個数: 96

約数和(自身を含む): 4633200000

約数和(自身を除く): 2635493526

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 149, 171, 197, 199, 298, 342, 394, 398, 447, 591, 597, 894, 1182, 1194, 1341, 1773, 1791, 2682, 2831, 3546, 3582, 3743, 3781, 5662, 7486, 7562, 8493, 11229, 11343, 16986, 22458, 22686, 25479, 29353, 29651, 33687, 34029, 39203, 50958, 58706, 59302, 67374, 68058, 78406, 88059, 88953, 117609, 176118, 177906, 235218, 264177, 266859, 352827, 528354, 533718, 557707, 563369, 705654, 744857, 1115414, 1126738, 1489714, 1673121, 1690107, 2234571, 3346242, 3380214, 4469142, 5019363, 5070321, 5841247, 6703713, 10038726, 10140642, 11682494, 13407426, 17523741, 35047482, 52571223, 105142446, 110983693, 221967386, 332951079, 665902158, 998853237, 1997706474]

約数ペア:

[(1, 1997706474), (2, 998853237), (3, 665902158), (6, 332951079), (9, 221967386), (18, 110983693), (19, 105142446), (38, 52571223), (57, 35047482), (114, 17523741), (149, 13407426), (171, 11682494), (197, 10140642), (199, 10038726), (298, 6703713), (342, 5841247), (394, 5070321), (398, 5019363), (447, 4469142), (591, 3380214), (597, 3346242), (894, 2234571), (1182, 1690107), (1194, 1673121), (1341, 1489714), (1773, 1126738), (1791, 1115414), (2682, 744857), (2831, 705654), (3546, 563369), (3582, 557707), (3743, 533718), (3781, 528354), (5662, 352827), (7486, 266859), (7562, 264177), (8493, 235218), (11229, 177906), (11343, 176118), (16986, 117609), (22458, 88953), (22686, 88059), (25479, 78406), (29353, 68058), (29651, 67374), (33687, 59302), (34029, 58706), (39203, 50958)]