71903810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1489}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 141609600

約数和(自身を除く): 69705790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 878, 1489, 2195, 2978, 4390, 4829, 7445, 9658, 14890, 16379, 24145, 32758, 48290, 81895, 163790, 653671, 1307342, 3268355, 6536710, 7190381, 14380762, 35951905, 71903810]

約数ペア:

[(1, 71903810), (2, 35951905), (5, 14380762), (10, 7190381), (11, 6536710), (22, 3268355), (55, 1307342), (110, 653671), (439, 163790), (878, 81895), (1489, 48290), (2195, 32758), (2978, 24145), (4390, 16379), (4829, 14890), (7445, 9658)]