28391636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77999}}^1$

素因数の和:78023

約数の個数: 24

約数和(自身を含む): 61152000

約数和(自身を除く): 32760364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77999, 155998, 311996, 545993, 1013987, 1091986, 2027974, 2183972, 4055948, 7097909, 14195818, 28391636]

約数ペア:

[(1, 28391636), (2, 14195818), (4, 7097909), (7, 4055948), (13, 2183972), (14, 2027974), (26, 1091986), (28, 1013987), (52, 545993), (91, 311996), (182, 155998), (364, 77999)]