71721628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 142248960

約数和(自身を除く): 70527332

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 83, 164, 166, 332, 451, 479, 902, 913, 958, 1804, 1826, 1916, 3403, 3652, 5269, 6806, 10538, 13612, 19639, 21076, 37433, 39278, 39757, 74866, 78556, 79514, 149732, 159028, 216029, 432058, 437327, 864116, 874654, 1630037, 1749308, 3260074, 6520148, 17930407, 35860814, 71721628]

約数ペア:

[(1, 71721628), (2, 35860814), (4, 17930407), (11, 6520148), (22, 3260074), (41, 1749308), (44, 1630037), (82, 874654), (83, 864116), (164, 437327), (166, 432058), (332, 216029), (451, 159028), (479, 149732), (902, 79514), (913, 78556), (958, 74866), (1804, 39757), (1826, 39278), (1916, 37433), (3403, 21076), (3652, 19639), (5269, 13612), (6806, 10538)]