257835384

素因数分解:

$2^3\times 3^2\times {\mathrm{3581047}}^1$

素因数の和:3581059

約数の個数: 24

約数和(自身を含む): 698304360

約数和(自身を除く): 440468976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 3581047, 7162094, 10743141, 14324188, 21486282, 28648376, 32229423, 42972564, 64458846, 85945128, 128917692, 257835384]

約数ペア:

[(1, 257835384), (2, 128917692), (3, 85945128), (4, 64458846), (6, 42972564), (8, 32229423), (9, 28648376), (12, 21486282), (18, 14324188), (24, 10743141), (36, 7162094), (72, 3581047)]