661570804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 1337575680

約数和(自身を除く): 676004876

約数列:

[1, 2, 4, 19, 23, 37, 38, 46, 53, 74, 76, 92, 106, 148, 193, 212, 386, 437, 703, 772, 851, 874, 1007, 1219, 1406, 1702, 1748, 1961, 2014, 2438, 2812, 3404, 3667, 3922, 4028, 4439, 4876, 7141, 7334, 7844, 8878, 10229, 14282, 14668, 16169, 17756, 20458, 23161, 28564, 32338, 37259, 40916, 45103, 46322, 64676, 74518, 84341, 90206, 92644, 135679, 149036, 164243, 168682, 180412, 194351, 235267, 271358, 328486, 337364, 378473, 388702, 470534, 542716, 656972, 756946, 777404, 856957, 941068, 1513892, 1713914, 3120617, 3427828, 4470073, 6241234, 7190987, 8704879, 8940146, 12482468, 14381974, 17409758, 17880292, 28763948, 34819516, 165392701, 330785402, 661570804]

約数ペア:

[(1, 661570804), (2, 330785402), (4, 165392701), (19, 34819516), (23, 28763948), (37, 17880292), (38, 17409758), (46, 14381974), (53, 12482468), (74, 8940146), (76, 8704879), (92, 7190987), (106, 6241234), (148, 4470073), (193, 3427828), (212, 3120617), (386, 1713914), (437, 1513892), (703, 941068), (772, 856957), (851, 777404), (874, 756946), (1007, 656972), (1219, 542716), (1406, 470534), (1702, 388702), (1748, 378473), (1961, 337364), (2014, 328486), (2438, 271358), (2812, 235267), (3404, 194351), (3667, 180412), (3922, 168682), (4028, 164243), (4439, 149036), (4876, 135679), (7141, 92644), (7334, 90206), (7844, 84341), (8878, 74518), (10229, 64676), (14282, 46322), (14668, 45103), (16169, 40916), (17756, 37259), (20458, 32338), (23161, 28564)]