1980739682

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1\times {\mathrm{5023}}^1$

素因数の和:7873

約数の個数: 16

約数和(自身を含む): 3014641152

約数和(自身を除く): 1033901470

約数列:

[1, 2, 71, 142, 2777, 5023, 5554, 10046, 197167, 356633, 394334, 713266, 13948871, 27897742, 990369841, 1980739682]

約数ペア:

[(1, 1980739682), (2, 990369841), (71, 27897742), (142, 13948871), (2777, 713266), (5023, 394334), (5554, 356633), (10046, 197167)]