51578737

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 59951232

約数和(自身を除く): 8372495

約数列:

[1, 7, 113, 197, 331, 791, 1379, 2317, 22261, 37403, 65207, 155827, 261821, 456449, 7368391, 51578737]

約数ペア:

[(1, 51578737), (7, 7368391), (113, 456449), (197, 261821), (331, 155827), (791, 65207), (1379, 37403), (2317, 22261)]