64712816

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2591}}^1$

素因数の和:2829

約数の個数: 40

約数和(自身を含む): 143990784

約数和(自身を除く): 79277968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 2591, 3122, 3568, 5182, 6244, 10364, 12488, 18137, 20728, 24976, 36274, 41456, 72548, 145096, 290192, 577793, 1155586, 2311172, 4044551, 4622344, 8089102, 9244688, 16178204, 32356408, 64712816]

約数ペア:

[(1, 64712816), (2, 32356408), (4, 16178204), (7, 9244688), (8, 8089102), (14, 4622344), (16, 4044551), (28, 2311172), (56, 1155586), (112, 577793), (223, 290192), (446, 145096), (892, 72548), (1561, 41456), (1784, 36274), (2591, 24976), (3122, 20728), (3568, 18137), (5182, 12488), (6244, 10364)]