9987908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20983}}^1$

素因数の和:21011

約数の個数: 24

約数和(自身を含む): 21151872

約数和(自身を除く): 11163964

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 20983, 41966, 83932, 146881, 293762, 356711, 587524, 713422, 1426844, 2496977, 4993954, 9987908]

約数ペア:

[(1, 9987908), (2, 4993954), (4, 2496977), (7, 1426844), (14, 713422), (17, 587524), (28, 356711), (34, 293762), (68, 146881), (119, 83932), (238, 41966), (476, 20983)]