285005864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{249131}}^1$

素因数の和:249161

約数の個数: 32

約数和(自身を含む): 627812640

約数和(自身を除く): 342806776

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 249131, 498262, 996524, 1993048, 2740441, 3238703, 5480882, 6477406, 10961764, 12954812, 21923528, 25909624, 35625733, 71251466, 142502932, 285005864]

約数ペア:

[(1, 285005864), (2, 142502932), (4, 71251466), (8, 35625733), (11, 25909624), (13, 21923528), (22, 12954812), (26, 10961764), (44, 6477406), (52, 5480882), (88, 3238703), (104, 2740441), (143, 1993048), (286, 996524), (572, 498262), (1144, 249131)]