28219114

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 57065472

約数和(自身を除く): 28846358

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 46, 62, 77, 154, 161, 217, 253, 257, 322, 341, 434, 506, 514, 682, 713, 1426, 1771, 1799, 2387, 2827, 3542, 3598, 4774, 4991, 5654, 5911, 7843, 7967, 9982, 11822, 15686, 15934, 19789, 39578, 41377, 54901, 55769, 65021, 82754, 87637, 109802, 111538, 130042, 175274, 183241, 366482, 455147, 613459, 910294, 1226918, 1282687, 2015651, 2565374, 4031302, 14109557, 28219114]

約数ペア:

[(1, 28219114), (2, 14109557), (7, 4031302), (11, 2565374), (14, 2015651), (22, 1282687), (23, 1226918), (31, 910294), (46, 613459), (62, 455147), (77, 366482), (154, 183241), (161, 175274), (217, 130042), (253, 111538), (257, 109802), (322, 87637), (341, 82754), (434, 65021), (506, 55769), (514, 54901), (682, 41377), (713, 39578), (1426, 19789), (1771, 15934), (1799, 15686), (2387, 11822), (2827, 9982), (3542, 7967), (3598, 7843), (4774, 5911), (4991, 5654)]