81500758

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^2$

素因数の和:328

約数の個数: 24

約数和(自身を含む): 127317744

約数和(自身を除く): 45816986

約数列:

[1, 2, 61, 71, 97, 122, 142, 194, 4331, 5917, 6887, 8662, 9409, 11834, 13774, 18818, 420107, 573949, 668039, 840214, 1147898, 1336078, 40750379, 81500758]

約数ペア:

[(1, 81500758), (2, 40750379), (61, 1336078), (71, 1147898), (97, 840214), (122, 668039), (142, 573949), (194, 420107), (4331, 18818), (5917, 13774), (6887, 11834), (8662, 9409)]