12890878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 26707968

約数和(自身を除く): 13817090

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 47, 77, 91, 94, 137, 143, 154, 182, 274, 286, 329, 517, 611, 658, 959, 1001, 1034, 1222, 1507, 1781, 1918, 2002, 3014, 3562, 3619, 4277, 6439, 6721, 7238, 8554, 10549, 12467, 12878, 13442, 19591, 21098, 24934, 39182, 45073, 47047, 70829, 83707, 90146, 94094, 137137, 141658, 167414, 274274, 495803, 585949, 920777, 991606, 1171898, 1841554, 6445439, 12890878]

約数ペア:

[(1, 12890878), (2, 6445439), (7, 1841554), (11, 1171898), (13, 991606), (14, 920777), (22, 585949), (26, 495803), (47, 274274), (77, 167414), (91, 141658), (94, 137137), (137, 94094), (143, 90146), (154, 83707), (182, 70829), (274, 47047), (286, 45073), (329, 39182), (517, 24934), (611, 21098), (658, 19591), (959, 13442), (1001, 12878), (1034, 12467), (1222, 10549), (1507, 8554), (1781, 7238), (1918, 6721), (2002, 6439), (3014, 4277), (3562, 3619)]