66901970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{393541}}^1$

素因数の和:393565

約数の個数: 16

約数和(自身を含む): 127507608

約数和(自身を除く): 60605638

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 393541, 787082, 1967705, 3935410, 6690197, 13380394, 33450985, 66901970]

約数ペア:

[(1, 66901970), (2, 33450985), (5, 13380394), (10, 6690197), (17, 3935410), (34, 1967705), (85, 787082), (170, 393541)]