28156492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{751}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 61315072

約数和(自身を除く): 33158580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 721, 751, 1339, 1442, 1502, 2678, 2884, 3004, 5257, 5356, 9373, 9763, 10514, 18746, 19526, 21028, 37492, 39052, 68341, 77353, 136682, 154706, 273364, 309412, 541471, 1005589, 1082942, 2011178, 2165884, 4022356, 7039123, 14078246, 28156492]

約数ペア:

[(1, 28156492), (2, 14078246), (4, 7039123), (7, 4022356), (13, 2165884), (14, 2011178), (26, 1082942), (28, 1005589), (52, 541471), (91, 309412), (103, 273364), (182, 154706), (206, 136682), (364, 77353), (412, 68341), (721, 39052), (751, 37492), (1339, 21028), (1442, 19526), (1502, 18746), (2678, 10514), (2884, 9763), (3004, 9373), (5257, 5356)]