257978084

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{24439}}^1$

素因数の和:24492

約数の個数: 48

約数和(自身を含む): 574828800

約数和(自身を除く): 316850716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 5278, 10556, 24439, 48878, 97756, 171073, 317707, 342146, 635414, 684292, 708731, 1270828, 1417462, 2223949, 2834924, 4447898, 4961117, 8895796, 9213503, 9922234, 18427006, 19844468, 36854012, 64494521, 128989042, 257978084]

約数ペア:

[(1, 257978084), (2, 128989042), (4, 64494521), (7, 36854012), (13, 19844468), (14, 18427006), (26, 9922234), (28, 9213503), (29, 8895796), (52, 4961117), (58, 4447898), (91, 2834924), (116, 2223949), (182, 1417462), (203, 1270828), (364, 708731), (377, 684292), (406, 635414), (754, 342146), (812, 317707), (1508, 171073), (2639, 97756), (5278, 48878), (10556, 24439)]