319886768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{644933}}^1$

素因数の和:644972

約数の個数: 20

約数和(自身を含む): 639774528

約数和(自身を除く): 319887760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 644933, 1289866, 2579732, 5159464, 10318928, 19992923, 39985846, 79971692, 159943384, 319886768]

約数ペア:

[(1, 319886768), (2, 159943384), (4, 79971692), (8, 39985846), (16, 19992923), (31, 10318928), (62, 5159464), (124, 2579732), (248, 1289866), (496, 644933)]