199711988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419563}}^1$

素因数の和:419591

約数の個数: 24

約数和(自身を含む): 422920512

約数和(自身を除く): 223208524

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 419563, 839126, 1678252, 2936941, 5873882, 7132571, 11747764, 14265142, 28530284, 49927997, 99855994, 199711988]

約数ペア:

[(1, 199711988), (2, 99855994), (4, 49927997), (7, 28530284), (14, 14265142), (17, 11747764), (28, 7132571), (34, 5873882), (68, 2936941), (119, 1678252), (238, 839126), (476, 419563)]