289945978

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{151171}}^1$

素因数の和:151317

約数の個数: 16

約数和(自身を含む): 500681664

約数和(自身を除く): 210735686

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 151171, 302342, 1058197, 2116394, 20710427, 41420854, 144972989, 289945978]

約数ペア:

[(1, 289945978), (2, 144972989), (7, 41420854), (14, 20710427), (137, 2116394), (274, 1058197), (959, 302342), (1918, 151171)]