28701661

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 31256064

約数和(自身を除く): 2554403

約数列:

[1, 17, 67, 113, 223, 1139, 1921, 3791, 7571, 14941, 25199, 128707, 253997, 428383, 1688333, 28701661]

約数ペア:

[(1, 28701661), (17, 1688333), (67, 428383), (113, 253997), (223, 128707), (1139, 25199), (1921, 14941), (3791, 7571)]