1998572212

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 144

約数和(自身を含む): 4649339520

約数和(自身を除く): 2650767308

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 67, 91, 92, 98, 134, 161, 182, 196, 268, 299, 322, 364, 469, 509, 598, 637, 644, 871, 938, 1018, 1127, 1196, 1274, 1541, 1742, 1876, 2036, 2093, 2254, 2548, 3082, 3283, 3484, 3563, 4186, 4508, 6097, 6164, 6566, 6617, 7126, 8372, 10787, 11707, 12194, 13132, 13234, 14252, 14651, 20033, 21574, 23414, 24388, 24941, 26468, 29302, 34103, 40066, 42679, 43148, 46319, 46828, 49882, 58604, 68206, 75509, 80132, 81949, 85358, 92638, 99764, 136412, 140231, 151018, 152191, 163898, 170716, 185276, 238721, 280462, 302036, 304382, 324233, 327796, 443339, 477442, 560924, 573643, 608764, 648466, 784369, 886678, 954884, 981617, 1065337, 1147286, 1296932, 1568738, 1671047, 1773356, 1963234, 2130674, 2294572, 3103373, 3137476, 3342094, 3926468, 4261348, 5490583, 6206746, 6684188, 7457359, 10196797, 10981166, 12413492, 14914718, 20393594, 21723611, 21962332, 29829436, 38434081, 40787188, 43447222, 71377579, 76868162, 86894444, 142755158, 153736324, 285510316, 499643053, 999286106, 1998572212]

約数ペア:

[(1, 1998572212), (2, 999286106), (4, 499643053), (7, 285510316), (13, 153736324), (14, 142755158), (23, 86894444), (26, 76868162), (28, 71377579), (46, 43447222), (49, 40787188), (52, 38434081), (67, 29829436), (91, 21962332), (92, 21723611), (98, 20393594), (134, 14914718), (161, 12413492), (182, 10981166), (196, 10196797), (268, 7457359), (299, 6684188), (322, 6206746), (364, 5490583), (469, 4261348), (509, 3926468), (598, 3342094), (637, 3137476), (644, 3103373), (871, 2294572), (938, 2130674), (1018, 1963234), (1127, 1773356), (1196, 1671047), (1274, 1568738), (1541, 1296932), (1742, 1147286), (1876, 1065337), (2036, 981617), (2093, 954884), (2254, 886678), (2548, 784369), (3082, 648466), (3283, 608764), (3484, 573643), (3563, 560924), (4186, 477442), (4508, 443339), (6097, 327796), (6164, 324233), (6566, 304382), (6617, 302036), (7126, 280462), (8372, 238721), (10787, 185276), (11707, 170716), (12194, 163898), (13132, 152191), (13234, 151018), (14252, 140231), (14651, 136412), (20033, 99764), (21574, 92638), (23414, 85358), (24388, 81949), (24941, 80132), (26468, 75509), (29302, 68206), (34103, 58604), (40066, 49882), (42679, 46828), (43148, 46319)]