1218742446

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:801

約数の個数: 64

約数和(自身を含む): 2593244160

約数和(自身を除く): 1374501714

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 311, 389, 438, 622, 778, 933, 1167, 1679, 1866, 2334, 3358, 5037, 7153, 8947, 10074, 14306, 17894, 21459, 22703, 26841, 28397, 42918, 45406, 53682, 56794, 68109, 85191, 120979, 136218, 170382, 241958, 362937, 522169, 653131, 725874, 1044338, 1306262, 1566507, 1959393, 2782517, 3133014, 3918786, 5565034, 8347551, 8831467, 16695102, 17662934, 26494401, 52988802, 203123741, 406247482, 609371223, 1218742446]

約数ペア:

[(1, 1218742446), (2, 609371223), (3, 406247482), (6, 203123741), (23, 52988802), (46, 26494401), (69, 17662934), (73, 16695102), (138, 8831467), (146, 8347551), (219, 5565034), (311, 3918786), (389, 3133014), (438, 2782517), (622, 1959393), (778, 1566507), (933, 1306262), (1167, 1044338), (1679, 725874), (1866, 653131), (2334, 522169), (3358, 362937), (5037, 241958), (7153, 170382), (8947, 136218), (10074, 120979), (14306, 85191), (17894, 68109), (21459, 56794), (22703, 53682), (26841, 45406), (28397, 42918)]