81902408

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 180956160

約数和(自身を除く): 99053752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 83, 134, 166, 263, 268, 332, 469, 526, 536, 581, 664, 938, 1052, 1162, 1841, 1876, 2104, 2324, 3682, 3752, 4648, 5561, 7364, 11122, 14728, 17621, 21829, 22244, 35242, 38927, 43658, 44488, 70484, 77854, 87316, 123347, 140968, 152803, 155708, 174632, 246694, 305606, 311416, 493388, 611212, 986776, 1222424, 1462543, 2925086, 5850172, 10237801, 11700344, 20475602, 40951204, 81902408]

約数ペア:

[(1, 81902408), (2, 40951204), (4, 20475602), (7, 11700344), (8, 10237801), (14, 5850172), (28, 2925086), (56, 1462543), (67, 1222424), (83, 986776), (134, 611212), (166, 493388), (263, 311416), (268, 305606), (332, 246694), (469, 174632), (526, 155708), (536, 152803), (581, 140968), (664, 123347), (938, 87316), (1052, 77854), (1162, 70484), (1841, 44488), (1876, 43658), (2104, 38927), (2324, 35242), (3682, 22244), (3752, 21829), (4648, 17621), (5561, 14728), (7364, 11122)]