220633868

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 488127024

約数和(自身を除く): 267493156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 131, 182, 196, 262, 364, 524, 637, 661, 917, 1274, 1322, 1703, 1834, 2548, 2644, 3406, 3668, 4627, 6419, 6812, 8593, 9254, 11921, 12838, 17186, 18508, 23842, 25676, 32389, 34372, 47684, 60151, 64778, 83447, 86591, 120302, 129556, 166894, 173182, 240604, 333788, 346364, 421057, 606137, 842114, 1125683, 1212274, 1684228, 2251366, 2424548, 4242959, 4502732, 7879781, 8485918, 15759562, 16971836, 31519124, 55158467, 110316934, 220633868]

約数ペア:

[(1, 220633868), (2, 110316934), (4, 55158467), (7, 31519124), (13, 16971836), (14, 15759562), (26, 8485918), (28, 7879781), (49, 4502732), (52, 4242959), (91, 2424548), (98, 2251366), (131, 1684228), (182, 1212274), (196, 1125683), (262, 842114), (364, 606137), (524, 421057), (637, 346364), (661, 333788), (917, 240604), (1274, 173182), (1322, 166894), (1703, 129556), (1834, 120302), (2548, 86591), (2644, 83447), (3406, 64778), (3668, 60151), (4627, 47684), (6419, 34372), (6812, 32389), (8593, 25676), (9254, 23842), (11921, 18508), (12838, 17186)]