28461601

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 18

約数和(自身を含む): 34964370

約数和(自身を除く): 6502769

約数列:

[1, 7, 19, 49, 133, 361, 931, 1609, 2527, 11263, 17689, 30571, 78841, 213997, 580849, 1497979, 4065943, 28461601]

約数ペア:

[(1, 28461601), (7, 4065943), (19, 1497979), (49, 580849), (133, 213997), (361, 78841), (931, 30571), (1609, 17689), (2527, 11263)]