289315873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163363}}^1$

素因数の和:163404

約数の個数: 16

約数和(自身を含む): 376390656

約数和(自身を除く): 87074783

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 163363, 1143541, 1796993, 3757349, 12578951, 26301443, 41330839, 289315873]

約数ペア:

[(1, 289315873), (7, 41330839), (11, 26301443), (23, 12578951), (77, 3757349), (161, 1796993), (253, 1143541), (1771, 163363)]