71813890

素因数分解:

$2^1\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{3719}}^1$

素因数の和:5657

約数の個数: 16

約数和(自身を含む): 129366720

約数和(自身を除く): 57552830

約数列:

[1, 2, 5, 10, 1931, 3719, 3862, 7438, 9655, 18595, 19310, 37190, 7181389, 14362778, 35906945, 71813890]

約数ペア:

[(1, 71813890), (2, 35906945), (5, 14362778), (10, 7181389), (1931, 37190), (3719, 19310), (3862, 18595), (7438, 9655)]