2116720984

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{2237}}^1$

素因数の和:2588

約数の個数: 64

約数和(自身を含む): 4628900160

約数和(自身を除く): 2512179176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 277, 427, 488, 554, 854, 1108, 1708, 1939, 2216, 2237, 3416, 3878, 4474, 7756, 8948, 15512, 15659, 16897, 17896, 31318, 33794, 62636, 67588, 118279, 125272, 135176, 136457, 236558, 272914, 473116, 545828, 619649, 946232, 955199, 1091656, 1239298, 1910398, 2478596, 3820796, 4337543, 4957192, 7641592, 8675086, 17350172, 34700344, 37798589, 75597178, 151194356, 264590123, 302388712, 529180246, 1058360492, 2116720984]

約数ペア:

[(1, 2116720984), (2, 1058360492), (4, 529180246), (7, 302388712), (8, 264590123), (14, 151194356), (28, 75597178), (56, 37798589), (61, 34700344), (122, 17350172), (244, 8675086), (277, 7641592), (427, 4957192), (488, 4337543), (554, 3820796), (854, 2478596), (1108, 1910398), (1708, 1239298), (1939, 1091656), (2216, 955199), (2237, 946232), (3416, 619649), (3878, 545828), (4474, 473116), (7756, 272914), (8948, 236558), (15512, 136457), (15659, 135176), (16897, 125272), (17896, 118279), (31318, 67588), (33794, 62636)]