28196399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19273}}^1$

素因数の和:19310

約数の個数: 16

約数和(自身を含む): 37006080

約数和(自身を除く): 8809681

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19273, 134911, 212003, 366187, 1484021, 2563309, 4028057, 28196399]

約数ペア:

[(1, 28196399), (7, 4028057), (11, 2563309), (19, 1484021), (77, 366187), (133, 212003), (209, 134911), (1463, 19273)]