256127831253

素因数分解:

$3^2\times 7^3\times {\mathrm{71}}^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:429

約数の個数: 144

約数和(自身を含む): 444544672000

約数和(自身を除く): 188416840747

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 109, 147, 151, 213, 327, 343, 441, 453, 497, 639, 763, 981, 1029, 1057, 1359, 1491, 2289, 3087, 3171, 3479, 4473, 5041, 5341, 6867, 7399, 7739, 9513, 10437, 10721, 15123, 16023, 16459, 22197, 23217, 24353, 31311, 32163, 35287, 37387, 45369, 48069, 49377, 51793, 54173, 66591, 69651, 73059, 75047, 96489, 105861, 112161, 115213, 148131, 155379, 162519, 219177, 225141, 247009, 317583, 336483, 345639, 379211, 466137, 487557, 525329, 549469, 675423, 741027, 761191, 806491, 1036917, 1137633, 1168589, 1575987, 1648407, 1729063, 2223081, 2283573, 2419473, 2654477, 3412899, 3505767, 3677303, 3846283, 4727961, 4945221, 5187189, 5328337, 5645437, 6850719, 7258419, 7963431, 8180123, 10517301, 11031909, 11538849, 15561567, 15985011, 16936311, 23890293, 24540369, 26923981, 33095727, 34616547, 37298359, 47955033, 50808933, 57260861, 73621107, 80771943, 82969819, 111895077, 171782583, 188467867, 242315829, 248909457, 261088513, 335685231, 400826027, 515347749, 565403601, 580788733, 746728371, 783265539, 1202478081, 1696210803, 1742366199, 2349796617, 3607434243, 4065521131, 5227098597, 12196563393, 28458647917, 36589690179, 85375943751, 256127831253]

約数ペア:

[(1, 256127831253), (3, 85375943751), (7, 36589690179), (9, 28458647917), (21, 12196563393), (49, 5227098597), (63, 4065521131), (71, 3607434243), (109, 2349796617), (147, 1742366199), (151, 1696210803), (213, 1202478081), (327, 783265539), (343, 746728371), (441, 580788733), (453, 565403601), (497, 515347749), (639, 400826027), (763, 335685231), (981, 261088513), (1029, 248909457), (1057, 242315829), (1359, 188467867), (1491, 171782583), (2289, 111895077), (3087, 82969819), (3171, 80771943), (3479, 73621107), (4473, 57260861), (5041, 50808933), (5341, 47955033), (6867, 37298359), (7399, 34616547), (7739, 33095727), (9513, 26923981), (10437, 24540369), (10721, 23890293), (15123, 16936311), (16023, 15985011), (16459, 15561567), (22197, 11538849), (23217, 11031909), (24353, 10517301), (31311, 8180123), (32163, 7963431), (35287, 7258419), (37387, 6850719), (45369, 5645437), (48069, 5328337), (49377, 5187189), (51793, 4945221), (54173, 4727961), (66591, 3846283), (69651, 3677303), (73059, 3505767), (75047, 3412899), (96489, 2654477), (105861, 2419473), (112161, 2283573), (115213, 2223081), (148131, 1729063), (155379, 1648407), (162519, 1575987), (219177, 1168589), (225141, 1137633), (247009, 1036917), (317583, 806491), (336483, 761191), (345639, 741027), (379211, 675423), (466137, 549469), (487557, 525329)]