31873564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 61598880

約数和(自身を除く): 29725316

約数列:

[1, 2, 4, 19, 38, 41, 53, 76, 82, 106, 164, 193, 212, 386, 772, 779, 1007, 1558, 2014, 2173, 3116, 3667, 4028, 4346, 7334, 7913, 8692, 10229, 14668, 15826, 20458, 31652, 40916, 41287, 82574, 150347, 165148, 194351, 300694, 388702, 419389, 601388, 777404, 838778, 1677556, 7968391, 15936782, 31873564]

約数ペア:

[(1, 31873564), (2, 15936782), (4, 7968391), (19, 1677556), (38, 838778), (41, 777404), (53, 601388), (76, 419389), (82, 388702), (106, 300694), (164, 194351), (193, 165148), (212, 150347), (386, 82574), (772, 41287), (779, 40916), (1007, 31652), (1558, 20458), (2014, 15826), (2173, 14668), (3116, 10229), (3667, 8692), (4028, 7913), (4346, 7334)]