28807163

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 9969157

約数列:

[1, 7, 11, 17, 59, 77, 119, 187, 373, 413, 649, 1003, 1309, 2611, 4103, 4543, 6341, 7021, 11033, 22007, 28721, 44387, 69751, 77231, 154049, 242077, 374119, 488257, 1694539, 2618833, 4115309, 28807163]

約数ペア:

[(1, 28807163), (7, 4115309), (11, 2618833), (17, 1694539), (59, 488257), (77, 374119), (119, 242077), (187, 154049), (373, 77231), (413, 69751), (649, 44387), (1003, 28721), (1309, 22007), (2611, 11033), (4103, 7021), (4543, 6341)]