1291288256

素因数分解:

$2^6\times {\mathrm{409}}^1\times {\mathrm{49331}}^1$

素因数の和:49752

約数の個数: 28

約数和(自身を含む): 2568717240

約数和(自身を除く): 1277428984

約数列:

[1, 2, 4, 8, 16, 32, 64, 409, 818, 1636, 3272, 6544, 13088, 26176, 49331, 98662, 197324, 394648, 789296, 1578592, 3157184, 20176379, 40352758, 80705516, 161411032, 322822064, 645644128, 1291288256]

約数ペア:

[(1, 1291288256), (2, 645644128), (4, 322822064), (8, 161411032), (16, 80705516), (32, 40352758), (64, 20176379), (409, 3157184), (818, 1578592), (1636, 789296), (3272, 394648), (6544, 197324), (13088, 98662), (26176, 49331)]