81923856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1728

約数の個数: 80

約数和(自身を含む): 243567744

約数和(自身を除く): 161643888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 157, 168, 314, 336, 471, 628, 942, 1099, 1256, 1553, 1884, 2198, 2512, 3106, 3297, 3768, 4396, 4659, 6212, 6594, 7536, 8792, 9318, 10871, 12424, 13188, 17584, 18636, 21742, 24848, 26376, 32613, 37272, 43484, 52752, 65226, 74544, 86968, 130452, 173936, 243821, 260904, 487642, 521808, 731463, 975284, 1462926, 1706747, 1950568, 2925852, 3413494, 3901136, 5120241, 5851704, 6826988, 10240482, 11703408, 13653976, 20480964, 27307952, 40961928, 81923856]

約数ペア:

[(1, 81923856), (2, 40961928), (3, 27307952), (4, 20480964), (6, 13653976), (7, 11703408), (8, 10240482), (12, 6826988), (14, 5851704), (16, 5120241), (21, 3901136), (24, 3413494), (28, 2925852), (42, 1950568), (48, 1706747), (56, 1462926), (84, 975284), (112, 731463), (157, 521808), (168, 487642), (314, 260904), (336, 243821), (471, 173936), (628, 130452), (942, 86968), (1099, 74544), (1256, 65226), (1553, 52752), (1884, 43484), (2198, 37272), (2512, 32613), (3106, 26376), (3297, 24848), (3768, 21742), (4396, 18636), (4659, 17584), (6212, 13188), (6594, 12424), (7536, 10871), (8792, 9318)]