428879074

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 720397800

約数和(自身を除く): 291518726

約数列:

[1, 2, 13, 26, 53, 89, 106, 169, 178, 269, 338, 538, 689, 1157, 1378, 2314, 3497, 4717, 6994, 8957, 9434, 14257, 15041, 17914, 23941, 28514, 30082, 45461, 47882, 61321, 90922, 122642, 185341, 311233, 370682, 622466, 797173, 1268873, 1594346, 2409433, 2537746, 4046029, 4818866, 8092058, 16495349, 32990698, 214439537, 428879074]

約数ペア:

[(1, 428879074), (2, 214439537), (13, 32990698), (26, 16495349), (53, 8092058), (89, 4818866), (106, 4046029), (169, 2537746), (178, 2409433), (269, 1594346), (338, 1268873), (538, 797173), (689, 622466), (1157, 370682), (1378, 311233), (2314, 185341), (3497, 122642), (4717, 90922), (6994, 61321), (8957, 47882), (9434, 45461), (14257, 30082), (15041, 28514), (17914, 23941)]