25128532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 27029420

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 197, 223, 286, 394, 446, 572, 788, 892, 2167, 2453, 2561, 2899, 4334, 4906, 5122, 5798, 8668, 9812, 10244, 11596, 28171, 31889, 43931, 56342, 63778, 87862, 112684, 127556, 175724, 483241, 571103, 966482, 1142206, 1932964, 2284412, 6282133, 12564266, 25128532]

約数ペア:

[(1, 25128532), (2, 12564266), (4, 6282133), (11, 2284412), (13, 1932964), (22, 1142206), (26, 966482), (44, 571103), (52, 483241), (143, 175724), (197, 127556), (223, 112684), (286, 87862), (394, 63778), (446, 56342), (572, 43931), (788, 31889), (892, 28171), (2167, 11596), (2453, 10244), (2561, 9812), (2899, 8668), (4334, 5798), (4906, 5122)]