389931454

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{51977}}^1$

素因数の和:52032

約数の個数: 24

約数和(自身を含む): 663655104

約数和(自身を除く): 273723650

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 51977, 103954, 571747, 1143494, 1611287, 3222574, 6289217, 12578434, 17724157, 35448314, 194965727, 389931454]

約数ペア:

[(1, 389931454), (2, 194965727), (11, 35448314), (22, 17724157), (31, 12578434), (62, 6289217), (121, 3222574), (242, 1611287), (341, 1143494), (682, 571747), (3751, 103954), (7502, 51977)]