408383092

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{389}}^1\times {\mathrm{1553}}^1$

素因数の和:1972

約数の個数: 36

約数和(自身を含む): 776362860

約数和(自身を除く): 367979768

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 389, 676, 778, 1553, 1556, 3106, 5057, 6212, 10114, 20189, 20228, 40378, 65741, 80756, 131482, 262457, 262964, 524914, 604117, 1049828, 1208234, 2416468, 7853521, 15707042, 31414084, 102095773, 204191546, 408383092]

約数ペア:

[(1, 408383092), (2, 204191546), (4, 102095773), (13, 31414084), (26, 15707042), (52, 7853521), (169, 2416468), (338, 1208234), (389, 1049828), (676, 604117), (778, 524914), (1553, 262964), (1556, 262457), (3106, 131482), (5057, 80756), (6212, 65741), (10114, 40378), (20189, 20228)]