1888804938251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1\times {\mathrm{5651}}^1$

素因数の和:8160

約数の個数: 64

約数和(自身を含む): 2489846169600

約数和(自身を除く): 601041231349

約数列:

[1, 7, 11, 23, 77, 79, 161, 253, 553, 869, 1771, 1817, 2389, 5651, 6083, 12719, 16723, 19987, 26279, 39557, 54947, 62161, 129973, 139909, 183953, 188731, 384629, 435127, 446429, 604417, 909811, 1321117, 1429703, 2076041, 3125003, 4230919, 4340813, 4910719, 10007921, 10267867, 13500239, 14532287, 30385691, 34375033, 47748943, 71875069, 94501673, 112946537, 148502629, 310505497, 334242601, 790625759, 1039518403, 1066518881, 2173538479, 3415560467, 7465632167, 11731707691, 23908923269, 24529934263, 82121953837, 171709539841, 269829276893, 1888804938251]

約数ペア:

[(1, 1888804938251), (7, 269829276893), (11, 171709539841), (23, 82121953837), (77, 24529934263), (79, 23908923269), (161, 11731707691), (253, 7465632167), (553, 3415560467), (869, 2173538479), (1771, 1066518881), (1817, 1039518403), (2389, 790625759), (5651, 334242601), (6083, 310505497), (12719, 148502629), (16723, 112946537), (19987, 94501673), (26279, 71875069), (39557, 47748943), (54947, 34375033), (62161, 30385691), (129973, 14532287), (139909, 13500239), (183953, 10267867), (188731, 10007921), (384629, 4910719), (435127, 4340813), (446429, 4230919), (604417, 3125003), (909811, 2076041), (1321117, 1429703)]