620931488

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{625939}}^1$

素因数の和:625980

約数の個数: 24

約数和(自身を含む): 1261895040

約数和(自身を除く): 640963552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 625939, 1251878, 2503756, 5007512, 10015024, 19404109, 20030048, 38808218, 77616436, 155232872, 310465744, 620931488]

約数ペア:

[(1, 620931488), (2, 310465744), (4, 155232872), (8, 77616436), (16, 38808218), (31, 20030048), (32, 19404109), (62, 10015024), (124, 5007512), (248, 2503756), (496, 1251878), (992, 625939)]