90217918

素因数分解:

$2^1\times 7^3\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 158688000

約数和(自身を除く): 68470082

約数列:

[1, 2, 7, 14, 49, 98, 343, 347, 379, 686, 694, 758, 2429, 2653, 4858, 5306, 17003, 18571, 34006, 37142, 119021, 129997, 131513, 238042, 259994, 263026, 920591, 1841182, 6444137, 12888274, 45108959, 90217918]

約数ペア:

[(1, 90217918), (2, 45108959), (7, 12888274), (14, 6444137), (49, 1841182), (98, 920591), (343, 263026), (347, 259994), (379, 238042), (686, 131513), (694, 129997), (758, 119021), (2429, 37142), (2653, 34006), (4858, 18571), (5306, 17003)]