28021288

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 53625600

約数和(自身を除く): 25604312

約数列:

[1, 2, 4, 8, 113, 139, 223, 226, 278, 446, 452, 556, 892, 904, 1112, 1784, 15707, 25199, 30997, 31414, 50398, 61994, 62828, 100796, 123988, 125656, 201592, 247976, 3502661, 7005322, 14010644, 28021288]

約数ペア:

[(1, 28021288), (2, 14010644), (4, 7005322), (8, 3502661), (113, 247976), (139, 201592), (223, 125656), (226, 123988), (278, 100796), (446, 62828), (452, 61994), (556, 50398), (892, 31414), (904, 30997), (1112, 25199), (1784, 15707)]