399625872

素因数分解:

$2^4\times 3^1\times {\mathrm{8325539}}^1$

素因数の和:8325550

約数の個数: 20

約数和(自身を含む): 1032366960

約数和(自身を除く): 632741088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 8325539, 16651078, 24976617, 33302156, 49953234, 66604312, 99906468, 133208624, 199812936, 399625872]

約数ペア:

[(1, 399625872), (2, 199812936), (3, 133208624), (4, 99906468), (6, 66604312), (8, 49953234), (12, 33302156), (16, 24976617), (24, 16651078), (48, 8325539)]