64040816

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19717}}^1$

素因数の和:19761

約数の個数: 40

約数和(自身を含む): 146701920

約数和(自身を除く): 82661104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 19717, 39434, 78868, 138019, 157736, 276038, 315472, 552076, 571793, 1104152, 1143586, 2208304, 2287172, 4002551, 4574344, 8005102, 9148688, 16010204, 32020408, 64040816]

約数ペア:

[(1, 64040816), (2, 32020408), (4, 16010204), (7, 9148688), (8, 8005102), (14, 4574344), (16, 4002551), (28, 2287172), (29, 2208304), (56, 1143586), (58, 1104152), (112, 571793), (116, 552076), (203, 315472), (232, 276038), (406, 157736), (464, 138019), (812, 78868), (1624, 39434), (3248, 19717)]