1557777212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{1151}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 2916974592

約数和(自身を除く): 1359197380

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 313, 626, 1081, 1151, 1252, 2162, 2302, 4324, 4604, 7199, 14398, 14711, 26473, 28796, 29422, 52946, 54097, 58844, 105892, 108194, 216388, 338353, 360263, 676706, 720526, 1244231, 1353412, 1441052, 2488462, 4976924, 8286049, 16572098, 16932361, 33144196, 33864722, 67729444, 389444303, 778888606, 1557777212]

約数ペア:

[(1, 1557777212), (2, 778888606), (4, 389444303), (23, 67729444), (46, 33864722), (47, 33144196), (92, 16932361), (94, 16572098), (188, 8286049), (313, 4976924), (626, 2488462), (1081, 1441052), (1151, 1353412), (1252, 1244231), (2162, 720526), (2302, 676706), (4324, 360263), (4604, 338353), (7199, 216388), (14398, 108194), (14711, 105892), (26473, 58844), (28796, 54097), (29422, 52946)]