71388016

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33547}}^1$

素因数の和:33581

約数の個数: 40

約数和(自身を含む): 166398080

約数和(自身を除く): 95010064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 33547, 67094, 134188, 234829, 268376, 469658, 536752, 637393, 939316, 1274786, 1878632, 2549572, 3757264, 4461751, 5099144, 8923502, 10198288, 17847004, 35694008, 71388016]

約数ペア:

[(1, 71388016), (2, 35694008), (4, 17847004), (7, 10198288), (8, 8923502), (14, 5099144), (16, 4461751), (19, 3757264), (28, 2549572), (38, 1878632), (56, 1274786), (76, 939316), (112, 637393), (133, 536752), (152, 469658), (266, 268376), (304, 234829), (532, 134188), (1064, 67094), (2128, 33547)]