1089784276

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{638047}}^1$

素因数の和:638119

約数の個数: 24

約数和(自身を含む): 2215302656

約数和(自身を除く): 1125518380

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 638047, 1276094, 2552188, 4466329, 8932658, 17865316, 38920867, 77841734, 155683468, 272446069, 544892138, 1089784276]

約数ペア:

[(1, 1089784276), (2, 544892138), (4, 272446069), (7, 155683468), (14, 77841734), (28, 38920867), (61, 17865316), (122, 8932658), (244, 4466329), (427, 2552188), (854, 1276094), (1708, 638047)]