71687084

素因数分解:

$2^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{6449}}^1$

素因数の和:6857

約数の個数: 24

約数和(自身を含む): 143757600

約数和(自身を除く): 72070516

約数列:

[1, 2, 4, 7, 14, 28, 397, 794, 1588, 2779, 5558, 6449, 11116, 12898, 25796, 45143, 90286, 180572, 2560253, 5120506, 10241012, 17921771, 35843542, 71687084]

約数ペア:

[(1, 71687084), (2, 35843542), (4, 17921771), (7, 10241012), (14, 5120506), (28, 2560253), (397, 180572), (794, 90286), (1588, 45143), (2779, 25796), (5558, 12898), (6449, 11116)]