66856321

素因数分解:

$7^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 77500800

約数和(自身を除く): 10644479

約数列:

[1, 7, 179, 229, 233, 1253, 1603, 1631, 40991, 41707, 53357, 286937, 291949, 373499, 9550903, 66856321]

約数ペア:

[(1, 66856321), (7, 9550903), (179, 373499), (229, 291949), (233, 286937), (1253, 53357), (1603, 41707), (1631, 40991)]