438021296

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{251159}}^1$

素因数の和:251276

約数の個数: 20

約数和(自身を含む): 856455600

約数和(自身を除く): 418434304

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 251159, 502318, 1004636, 2009272, 4018544, 27376331, 54752662, 109505324, 219010648, 438021296]

約数ペア:

[(1, 438021296), (2, 219010648), (4, 109505324), (8, 54752662), (16, 27376331), (109, 4018544), (218, 2009272), (436, 1004636), (872, 502318), (1744, 251159)]