2218532456

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{557981}}^1$

素因数の和:558065

約数の個数: 32

約数和(自身を含む): 4820964480

約数和(自身を除く): 2602432024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 557981, 1115962, 2231924, 3905867, 4463848, 7811734, 15623468, 31246936, 39616651, 79233302, 158466604, 277316557, 316933208, 554633114, 1109266228, 2218532456]

約数ペア:

[(1, 2218532456), (2, 1109266228), (4, 554633114), (7, 316933208), (8, 277316557), (14, 158466604), (28, 79233302), (56, 39616651), (71, 31246936), (142, 15623468), (284, 7811734), (497, 4463848), (568, 3905867), (994, 2231924), (1988, 1115962), (3976, 557981)]