28141337

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 34856640

約数和(自身を除く): 6715303

約数列:

[1, 7, 19, 49, 133, 167, 181, 931, 1169, 1267, 3173, 3439, 8183, 8869, 22211, 24073, 30227, 155477, 168511, 211589, 574313, 1481123, 4020191, 28141337]

約数ペア:

[(1, 28141337), (7, 4020191), (19, 1481123), (49, 574313), (133, 211589), (167, 168511), (181, 155477), (931, 30227), (1169, 24073), (1267, 22211), (3173, 8869), (3439, 8183)]