639367030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1728019}}^1$

素因数の和:1728063

約数の個数: 16

約数和(自身を含む): 1181965680

約数和(自身を除く): 542598650

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1728019, 3456038, 8640095, 17280190, 63936703, 127873406, 319683515, 639367030]

約数ペア:

[(1, 639367030), (2, 319683515), (5, 127873406), (10, 63936703), (37, 17280190), (74, 8640095), (185, 3456038), (370, 1728019)]