28071197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8700643

約数列:

[1, 7, 11, 37, 59, 77, 167, 259, 407, 413, 649, 1169, 1837, 2183, 2849, 4543, 6179, 9853, 12859, 15281, 24013, 43253, 67969, 68971, 108383, 168091, 364561, 475783, 758681, 2551927, 4010171, 28071197]

約数ペア:

[(1, 28071197), (7, 4010171), (11, 2551927), (37, 758681), (59, 475783), (77, 364561), (167, 168091), (259, 108383), (407, 68971), (413, 67969), (649, 43253), (1169, 24013), (1837, 15281), (2183, 12859), (2849, 9853), (4543, 6179)]