2128016768

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{405491}}^1$

素因数の和:405546

約数の個数: 32

約数和(自身を含む): 4342819320

約数和(自身を除く): 2214802552

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 405491, 810982, 1621964, 3243928, 6487856, 12975712, 16625131, 25951424, 33250262, 51902848, 66500524, 133001048, 266002096, 532004192, 1064008384, 2128016768]

約数ペア:

[(1, 2128016768), (2, 1064008384), (4, 532004192), (8, 266002096), (16, 133001048), (32, 66500524), (41, 51902848), (64, 33250262), (82, 25951424), (128, 16625131), (164, 12975712), (328, 6487856), (656, 3243928), (1312, 1621964), (2624, 810982), (5248, 405491)]