208401158

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 393216000

約数和(自身を除く): 184814842

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 127, 133, 199, 217, 254, 266, 398, 434, 589, 889, 1178, 1393, 1778, 2413, 2786, 3781, 3937, 4123, 4826, 6169, 7562, 7874, 8246, 12338, 16891, 25273, 26467, 27559, 33782, 43183, 50546, 52934, 55118, 74803, 86366, 117211, 149606, 176911, 234422, 353822, 480187, 523621, 783463, 820477, 960374, 1047242, 1566926, 1640954, 3361309, 5484241, 6722618, 10968482, 14885797, 29771594, 104200579, 208401158]

約数ペア:

[(1, 208401158), (2, 104200579), (7, 29771594), (14, 14885797), (19, 10968482), (31, 6722618), (38, 5484241), (62, 3361309), (127, 1640954), (133, 1566926), (199, 1047242), (217, 960374), (254, 820477), (266, 783463), (398, 523621), (434, 480187), (589, 353822), (889, 234422), (1178, 176911), (1393, 149606), (1778, 117211), (2413, 86366), (2786, 74803), (3781, 55118), (3937, 52934), (4123, 50546), (4826, 43183), (6169, 33782), (7562, 27559), (7874, 26467), (8246, 25273), (12338, 16891)]