1999897984

素因数分解:

$2^7\times 7^1\times {\mathrm{59}}^1\times {\mathrm{37831}}^1$

素因数の和:37911

約数の個数: 64

約数和(自身を含む): 4630636800

約数和(自身を除く): 2630738816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 128, 224, 236, 413, 448, 472, 826, 896, 944, 1652, 1888, 3304, 3776, 6608, 7552, 13216, 26432, 37831, 52864, 75662, 151324, 264817, 302648, 529634, 605296, 1059268, 1210592, 2118536, 2232029, 2421184, 4237072, 4464058, 4842368, 8474144, 8928116, 15624203, 16948288, 17856232, 31248406, 33896576, 35712464, 62496812, 71424928, 124993624, 142849856, 249987248, 285699712, 499974496, 999948992, 1999897984]

約数ペア:

[(1, 1999897984), (2, 999948992), (4, 499974496), (7, 285699712), (8, 249987248), (14, 142849856), (16, 124993624), (28, 71424928), (32, 62496812), (56, 35712464), (59, 33896576), (64, 31248406), (112, 17856232), (118, 16948288), (128, 15624203), (224, 8928116), (236, 8474144), (413, 4842368), (448, 4464058), (472, 4237072), (826, 2421184), (896, 2232029), (944, 2118536), (1652, 1210592), (1888, 1059268), (3304, 605296), (3776, 529634), (6608, 302648), (7552, 264817), (13216, 151324), (26432, 75662), (37831, 52864)]