1640342262

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{947}}^1$

素因数の和:1437

約数の個数: 64

約数和(自身を含む): 3612107520

約数和(自身を除く): 1971765258

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 419, 689, 838, 947, 1257, 1378, 1894, 2067, 2514, 2841, 4134, 5447, 5682, 10894, 12311, 16341, 22207, 24622, 32682, 36933, 44414, 50191, 66621, 73866, 100382, 133242, 150573, 288691, 301146, 396793, 577382, 652483, 793586, 866073, 1190379, 1304966, 1732146, 1957449, 2380758, 3914898, 5158309, 10316618, 15474927, 21030029, 30949854, 42060058, 63090087, 126180174, 273390377, 546780754, 820171131, 1640342262]

約数ペア:

[(1, 1640342262), (2, 820171131), (3, 546780754), (6, 273390377), (13, 126180174), (26, 63090087), (39, 42060058), (53, 30949854), (78, 21030029), (106, 15474927), (159, 10316618), (318, 5158309), (419, 3914898), (689, 2380758), (838, 1957449), (947, 1732146), (1257, 1304966), (1378, 1190379), (1894, 866073), (2067, 793586), (2514, 652483), (2841, 577382), (4134, 396793), (5447, 301146), (5682, 288691), (10894, 150573), (12311, 133242), (16341, 100382), (22207, 73866), (24622, 66621), (32682, 50191), (36933, 44414)]