291336136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{400187}}^1$

素因数の和:400213

約数の個数: 32

約数和(自身を含む): 672315840

約数和(自身を除く): 380979704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 400187, 800374, 1600748, 2801309, 3201496, 5202431, 5602618, 10404862, 11205236, 20809724, 22410472, 36417017, 41619448, 72834034, 145668068, 291336136]

約数ペア:

[(1, 291336136), (2, 145668068), (4, 72834034), (7, 41619448), (8, 36417017), (13, 22410472), (14, 20809724), (26, 11205236), (28, 10404862), (52, 5602618), (56, 5202431), (91, 3201496), (104, 2801309), (182, 1600748), (364, 800374), (728, 400187)]