638940944

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{596027}}^1$

素因数の和:596102

約数の個数: 20

約数和(自身を含む): 1256427024

約数和(自身を除く): 617486080

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 596027, 1192054, 2384108, 4768216, 9536432, 39933809, 79867618, 159735236, 319470472, 638940944]

約数ペア:

[(1, 638940944), (2, 319470472), (4, 159735236), (8, 79867618), (16, 39933809), (67, 9536432), (134, 4768216), (268, 2384108), (536, 1192054), (1072, 596027)]