643616886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{74441}}^1$

素因数の和:74588

約数の個数: 32

約数和(自身を含む): 1414993536

約数和(自身を除く): 771376650

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2882, 4323, 8646, 74441, 148882, 223323, 446646, 818851, 1637702, 2456553, 4913106, 9751771, 19503542, 29255313, 58510626, 107269481, 214538962, 321808443, 643616886]

約数ペア:

[(1, 643616886), (2, 321808443), (3, 214538962), (6, 107269481), (11, 58510626), (22, 29255313), (33, 19503542), (66, 9751771), (131, 4913106), (262, 2456553), (393, 1637702), (786, 818851), (1441, 446646), (2882, 223323), (4323, 148882), (8646, 74441)]