199897747

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{12823}}^1$

素因数の和:12978

約数の個数: 16

約数和(自身を含む): 243758592

約数和(自身を除く): 43860845

約数列:

[1, 7, 17, 119, 131, 917, 2227, 12823, 15589, 89761, 217991, 1525937, 1679813, 11758691, 28556821, 199897747]

約数ペア:

[(1, 199897747), (7, 28556821), (17, 11758691), (119, 1679813), (131, 1525937), (917, 217991), (2227, 89761), (12823, 15589)]