81217318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6113}}^1$

素因数の和:6208

約数の個数: 32

約数和(自身を含む): 152018496

約数和(自身を除く): 70801178

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1898, 6113, 6643, 12226, 13286, 42791, 79469, 85582, 158938, 446249, 556283, 892498, 1112566, 3123743, 5801237, 6247486, 11602474, 40608659, 81217318]

約数ペア:

[(1, 81217318), (2, 40608659), (7, 11602474), (13, 6247486), (14, 5801237), (26, 3123743), (73, 1112566), (91, 892498), (146, 556283), (182, 446249), (511, 158938), (949, 85582), (1022, 79469), (1898, 42791), (6113, 13286), (6643, 12226)]