81453874

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{1117}}^1$

素因数の和:1258

約数の個数: 24

約数和(自身を含む): 130343148

約数和(自身を除く): 48889274

約数列:

[1, 2, 19, 38, 101, 202, 361, 722, 1117, 1919, 2234, 3838, 21223, 36461, 42446, 72922, 112817, 225634, 403237, 806474, 2143523, 4287046, 40726937, 81453874]

約数ペア:

[(1, 81453874), (2, 40726937), (19, 4287046), (38, 2143523), (101, 806474), (202, 403237), (361, 225634), (722, 112817), (1117, 72922), (1919, 42446), (2234, 36461), (3838, 21223)]