67720010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{398353}}^1$

素因数の和:398377

約数の個数: 16

約数和(自身を含む): 129066696

約数和(自身を除く): 61346686

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 398353, 796706, 1991765, 3983530, 6772001, 13544002, 33860005, 67720010]

約数ペア:

[(1, 67720010), (2, 33860005), (5, 13544002), (10, 6772001), (17, 3983530), (34, 1991765), (85, 796706), (170, 398353)]