13781378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 23160816

約数和(自身を除く): 9379438

約数列:

[1, 2, 13, 26, 53, 73, 106, 137, 146, 274, 689, 949, 1378, 1781, 1898, 3562, 3869, 7261, 7738, 10001, 14522, 20002, 50297, 94393, 100594, 130013, 188786, 260026, 530053, 1060106, 6890689, 13781378]

約数ペア:

[(1, 13781378), (2, 6890689), (13, 1060106), (26, 530053), (53, 260026), (73, 188786), (106, 130013), (137, 100594), (146, 94393), (274, 50297), (689, 20002), (949, 14522), (1378, 10001), (1781, 7738), (1898, 7261), (3562, 3869)]