212642015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 282078720

約数和(自身を除く): 69436705

約数列:

[1, 5, 19, 23, 95, 115, 307, 317, 437, 1535, 1585, 2185, 5833, 6023, 7061, 7291, 29165, 30115, 35305, 36455, 97319, 134159, 138529, 486595, 670795, 692645, 1849061, 2238337, 9245305, 11191685, 42528403, 212642015]

約数ペア:

[(1, 212642015), (5, 42528403), (19, 11191685), (23, 9245305), (95, 2238337), (115, 1849061), (307, 692645), (317, 670795), (437, 486595), (1535, 138529), (1585, 134159), (2185, 97319), (5833, 36455), (6023, 35305), (7061, 30115), (7291, 29165)]