778080628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 1562968680

約数和(自身を除く): 784888052

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 181, 229, 247, 361, 362, 458, 494, 722, 724, 916, 988, 1444, 2353, 2977, 3439, 4351, 4693, 4706, 5954, 6878, 8702, 9386, 9412, 11908, 13756, 17404, 18772, 41449, 44707, 56563, 65341, 82669, 82898, 89414, 113126, 130682, 165338, 165796, 178828, 226252, 261364, 330676, 538837, 787531, 849433, 1074697, 1077674, 1575062, 1698866, 2149394, 2155348, 3150124, 3397732, 4298788, 10237903, 14963089, 20475806, 29926178, 40951612, 59852356, 194520157, 389040314, 778080628]

約数ペア:

[(1, 778080628), (2, 389040314), (4, 194520157), (13, 59852356), (19, 40951612), (26, 29926178), (38, 20475806), (52, 14963089), (76, 10237903), (181, 4298788), (229, 3397732), (247, 3150124), (361, 2155348), (362, 2149394), (458, 1698866), (494, 1575062), (722, 1077674), (724, 1074697), (916, 849433), (988, 787531), (1444, 538837), (2353, 330676), (2977, 261364), (3439, 226252), (4351, 178828), (4693, 165796), (4706, 165338), (5954, 130682), (6878, 113126), (8702, 89414), (9386, 82898), (9412, 82669), (11908, 65341), (13756, 56563), (17404, 44707), (18772, 41449)]