1557996886

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{21943}}^1$

素因数の和:22347

約数の個数: 16

約数和(自身を含む): 2363632128

約数和(自身を除く): 805635242

約数列:

[1, 2, 131, 262, 271, 542, 21943, 35501, 43886, 71002, 2874533, 5749066, 5946553, 11893106, 778998443, 1557996886]

約数ペア:

[(1, 1557996886), (2, 778998443), (131, 11893106), (262, 5946553), (271, 5749066), (542, 2874533), (21943, 71002), (35501, 43886)]