717363997

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 872202240

約数和(自身を除く): 154838243

約数列:

[1, 7, 23, 103, 161, 181, 239, 721, 1267, 1673, 2369, 4163, 5497, 16583, 18643, 24617, 29141, 38479, 43259, 130501, 172319, 302813, 428789, 566191, 994957, 3001523, 3963337, 4455677, 6964699, 31189739, 102480571, 717363997]

約数ペア:

[(1, 717363997), (7, 102480571), (23, 31189739), (103, 6964699), (161, 4455677), (181, 3963337), (239, 3001523), (721, 994957), (1267, 566191), (1673, 428789), (2369, 302813), (4163, 172319), (5497, 130501), (16583, 43259), (18643, 38479), (24617, 29141)]