64641983

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{1213}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 77385216

約数和(自身を除く): 12743233

約数列:

[1, 7, 23, 161, 331, 1213, 2317, 7613, 8491, 27899, 53291, 195293, 401503, 2810521, 9234569, 64641983]

約数ペア:

[(1, 64641983), (7, 9234569), (23, 2810521), (161, 401503), (331, 195293), (1213, 53291), (2317, 27899), (7613, 8491)]