28389382

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{106727}}^1$

素因数の和:106755

約数の個数: 16

約数和(自身を含む): 51229440

約数和(自身を除く): 22840058

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 106727, 213454, 747089, 1494178, 2027813, 4055626, 14194691, 28389382]

約数ペア:

[(1, 28389382), (2, 14194691), (7, 4055626), (14, 2027813), (19, 1494178), (38, 747089), (133, 213454), (266, 106727)]