2181391904

素因数分解:

$2^5\times {\mathrm{151}}^1\times {\mathrm{347}}^1\times {\mathrm{1301}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 4338847296

約数和(自身を除く): 2157455392

約数列:

[1, 2, 4, 8, 16, 32, 151, 302, 347, 604, 694, 1208, 1301, 1388, 2416, 2602, 2776, 4832, 5204, 5552, 10408, 11104, 20816, 41632, 52397, 104794, 196451, 209588, 392902, 419176, 451447, 785804, 838352, 902894, 1571608, 1676704, 1805788, 3143216, 3611576, 6286432, 7223152, 14446304, 68168497, 136336994, 272673988, 545347976, 1090695952, 2181391904]

約数ペア:

[(1, 2181391904), (2, 1090695952), (4, 545347976), (8, 272673988), (16, 136336994), (32, 68168497), (151, 14446304), (302, 7223152), (347, 6286432), (604, 3611576), (694, 3143216), (1208, 1805788), (1301, 1676704), (1388, 1571608), (2416, 902894), (2602, 838352), (2776, 785804), (4832, 451447), (5204, 419176), (5552, 392902), (10408, 209588), (11104, 196451), (20816, 104794), (41632, 52397)]