85440368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 191925216

約数和(自身を除く): 106484848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 208, 221, 272, 292, 331, 442, 584, 662, 884, 949, 1168, 1241, 1324, 1768, 1898, 2482, 2648, 3536, 3796, 4303, 4964, 5296, 5627, 7592, 8606, 9928, 11254, 15184, 16133, 17212, 19856, 22508, 24163, 32266, 34424, 45016, 48326, 64532, 68848, 73151, 90032, 96652, 129064, 146302, 193304, 258128, 292604, 314119, 386608, 410771, 585208, 628238, 821542, 1170416, 1256476, 1643084, 2512952, 3286168, 5025904, 5340023, 6572336, 10680046, 21360092, 42720184, 85440368]

約数ペア:

[(1, 85440368), (2, 42720184), (4, 21360092), (8, 10680046), (13, 6572336), (16, 5340023), (17, 5025904), (26, 3286168), (34, 2512952), (52, 1643084), (68, 1256476), (73, 1170416), (104, 821542), (136, 628238), (146, 585208), (208, 410771), (221, 386608), (272, 314119), (292, 292604), (331, 258128), (442, 193304), (584, 146302), (662, 129064), (884, 96652), (949, 90032), (1168, 73151), (1241, 68848), (1324, 64532), (1768, 48326), (1898, 45016), (2482, 34424), (2648, 32266), (3536, 24163), (3796, 22508), (4303, 19856), (4964, 17212), (5296, 16133), (5627, 15184), (7592, 11254), (8606, 9928)]