31664438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 54976320

約数和(自身を除く): 23311882

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 923, 1009, 1207, 1846, 2018, 2414, 13117, 15691, 17153, 26234, 31382, 34306, 71639, 143278, 222989, 445978, 931307, 1217863, 1862614, 2435726, 15832219, 31664438]

約数ペア:

[(1, 31664438), (2, 15832219), (13, 2435726), (17, 1862614), (26, 1217863), (34, 931307), (71, 445978), (142, 222989), (221, 143278), (442, 71639), (923, 34306), (1009, 31382), (1207, 26234), (1846, 17153), (2018, 15691), (2414, 13117)]