661777984

素因数分解:

$2^6\times 7^1\times {\mathrm{59}}^1\times {\mathrm{25037}}^1$

素因数の和:25115

約数の個数: 56

約数和(自身を含む): 1526316480

約数和(自身を除く): 864538496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 112, 118, 224, 236, 413, 448, 472, 826, 944, 1652, 1888, 3304, 3776, 6608, 13216, 25037, 26432, 50074, 100148, 175259, 200296, 350518, 400592, 701036, 801184, 1402072, 1477183, 1602368, 2804144, 2954366, 5608288, 5908732, 10340281, 11216576, 11817464, 20680562, 23634928, 41361124, 47269856, 82722248, 94539712, 165444496, 330888992, 661777984]

約数ペア:

[(1, 661777984), (2, 330888992), (4, 165444496), (7, 94539712), (8, 82722248), (14, 47269856), (16, 41361124), (28, 23634928), (32, 20680562), (56, 11817464), (59, 11216576), (64, 10340281), (112, 5908732), (118, 5608288), (224, 2954366), (236, 2804144), (413, 1602368), (448, 1477183), (472, 1402072), (826, 801184), (944, 701036), (1652, 400592), (1888, 350518), (3304, 200296), (3776, 175259), (6608, 100148), (13216, 50074), (25037, 26432)]