81057328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 98931152

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 47, 82, 88, 94, 164, 176, 188, 239, 328, 376, 451, 478, 517, 656, 752, 902, 956, 1034, 1804, 1912, 1927, 2068, 2629, 3608, 3824, 3854, 4136, 5258, 7216, 7708, 8272, 9799, 10516, 11233, 15416, 19598, 21032, 21197, 22466, 30832, 39196, 42064, 42394, 44932, 78392, 84788, 89864, 107789, 123563, 156784, 169576, 179728, 215578, 247126, 339152, 431156, 460553, 494252, 862312, 921106, 988504, 1724624, 1842212, 1977008, 3684424, 5066083, 7368848, 10132166, 20264332, 40528664, 81057328]

約数ペア:

[(1, 81057328), (2, 40528664), (4, 20264332), (8, 10132166), (11, 7368848), (16, 5066083), (22, 3684424), (41, 1977008), (44, 1842212), (47, 1724624), (82, 988504), (88, 921106), (94, 862312), (164, 494252), (176, 460553), (188, 431156), (239, 339152), (328, 247126), (376, 215578), (451, 179728), (478, 169576), (517, 156784), (656, 123563), (752, 107789), (902, 89864), (956, 84788), (1034, 78392), (1804, 44932), (1912, 42394), (1927, 42064), (2068, 39196), (2629, 30832), (3608, 22466), (3824, 21197), (3854, 21032), (4136, 19598), (5258, 15416), (7216, 11233), (7708, 10516), (8272, 9799)]