81377128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 189524160

約数和(自身を除く): 108147032

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 41, 46, 56, 67, 82, 92, 134, 161, 164, 184, 268, 287, 322, 328, 469, 529, 536, 574, 644, 938, 943, 1058, 1148, 1288, 1541, 1876, 1886, 2116, 2296, 2747, 3082, 3703, 3752, 3772, 4232, 5494, 6164, 6601, 7406, 7544, 10787, 10988, 12328, 13202, 14812, 19229, 21574, 21689, 21976, 26404, 29624, 35443, 38458, 43148, 43378, 52808, 63181, 70886, 76916, 86296, 86756, 126362, 141772, 151823, 153832, 173512, 248101, 252724, 283544, 303646, 442267, 496202, 505448, 607292, 884534, 992404, 1214584, 1453163, 1769068, 1984808, 2906326, 3538136, 5812652, 10172141, 11625304, 20344282, 40688564, 81377128]

約数ペア:

[(1, 81377128), (2, 40688564), (4, 20344282), (7, 11625304), (8, 10172141), (14, 5812652), (23, 3538136), (28, 2906326), (41, 1984808), (46, 1769068), (56, 1453163), (67, 1214584), (82, 992404), (92, 884534), (134, 607292), (161, 505448), (164, 496202), (184, 442267), (268, 303646), (287, 283544), (322, 252724), (328, 248101), (469, 173512), (529, 153832), (536, 151823), (574, 141772), (644, 126362), (938, 86756), (943, 86296), (1058, 76916), (1148, 70886), (1288, 63181), (1541, 52808), (1876, 43378), (1886, 43148), (2116, 38458), (2296, 35443), (2747, 29624), (3082, 26404), (3703, 21976), (3752, 21689), (3772, 21574), (4232, 19229), (5494, 14812), (6164, 13202), (6601, 12328), (7406, 10988), (7544, 10787)]