7854470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2000

約数の個数: 32

約数和(自身を含む): 15724800

約数和(自身を除く): 7870330

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 1949, 2015, 3898, 4030, 9745, 19490, 25337, 50674, 60419, 120838, 126685, 253370, 302095, 604190, 785447, 1570894, 3927235, 7854470]

約数ペア:

[(1, 7854470), (2, 3927235), (5, 1570894), (10, 785447), (13, 604190), (26, 302095), (31, 253370), (62, 126685), (65, 120838), (130, 60419), (155, 50674), (310, 25337), (403, 19490), (806, 9745), (1949, 4030), (2015, 3898)]