520019656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 1079930880

約数和(自身を除く): 559911224

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 191, 376, 382, 557, 611, 764, 1114, 1222, 1528, 2228, 2444, 2483, 4456, 4888, 4966, 7241, 8977, 9932, 14482, 17954, 19864, 26179, 28964, 35908, 52358, 57928, 71816, 104716, 106387, 116701, 209432, 212774, 233402, 340327, 425548, 466804, 680654, 851096, 933608, 1361308, 1383031, 2722616, 2766062, 5000189, 5532124, 10000378, 11064248, 20000756, 40001512, 65002457, 130004914, 260009828, 520019656]

約数ペア:

[(1, 520019656), (2, 260009828), (4, 130004914), (8, 65002457), (13, 40001512), (26, 20000756), (47, 11064248), (52, 10000378), (94, 5532124), (104, 5000189), (188, 2766062), (191, 2722616), (376, 1383031), (382, 1361308), (557, 933608), (611, 851096), (764, 680654), (1114, 466804), (1222, 425548), (1528, 340327), (2228, 233402), (2444, 212774), (2483, 209432), (4456, 116701), (4888, 106387), (4966, 104716), (7241, 71816), (8977, 57928), (9932, 52358), (14482, 35908), (17954, 28964), (19864, 26179)]