1967995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 16

約数和(自身を含む): 2502720

約数和(自身を除く): 534725

約数列:

[1, 5, 23, 109, 115, 157, 545, 785, 2507, 3611, 12535, 17113, 18055, 85565, 393599, 1967995]

約数ペア:

[(1, 1967995), (5, 393599), (23, 85565), (109, 18055), (115, 17113), (157, 12535), (545, 3611), (785, 2507)]