260295828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{128351}}^1$

素因数の和:128384

約数の個数: 36

約数和(自身を含む): 657675648

約数和(自身を除く): 397379820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 128351, 256702, 385053, 513404, 770106, 1540212, 1668563, 3337126, 5005689, 6674252, 10011378, 20022756, 21691319, 43382638, 65073957, 86765276, 130147914, 260295828]

約数ペア:

[(1, 260295828), (2, 130147914), (3, 86765276), (4, 65073957), (6, 43382638), (12, 21691319), (13, 20022756), (26, 10011378), (39, 6674252), (52, 5005689), (78, 3337126), (156, 1668563), (169, 1540212), (338, 770106), (507, 513404), (676, 385053), (1014, 256702), (2028, 128351)]