219239852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 424112640

約数和(自身を除く): 204872788

約数列:

[1, 2, 4, 13, 26, 52, 79, 83, 158, 166, 316, 332, 643, 1027, 1079, 1286, 2054, 2158, 2572, 4108, 4316, 6557, 8359, 13114, 16718, 26228, 33436, 50797, 53369, 85241, 101594, 106738, 170482, 203188, 213476, 340964, 660361, 693797, 1320722, 1387594, 2641444, 2775188, 4216151, 8432302, 16864604, 54809963, 109619926, 219239852]

約数ペア:

[(1, 219239852), (2, 109619926), (4, 54809963), (13, 16864604), (26, 8432302), (52, 4216151), (79, 2775188), (83, 2641444), (158, 1387594), (166, 1320722), (316, 693797), (332, 660361), (643, 340964), (1027, 213476), (1079, 203188), (1286, 170482), (2054, 106738), (2158, 101594), (2572, 85241), (4108, 53369), (4316, 50797), (6557, 33436), (8359, 26228), (13114, 16718)]