638359854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{5231}}^1$

素因数の和:5333

約数の個数: 48

約数和(自身を含む): 1426201344

約数和(自身を除く): 787841490

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 1849, 2838, 3698, 5231, 5547, 10462, 11094, 15693, 20339, 31386, 40678, 57541, 61017, 115082, 122034, 172623, 224933, 345246, 449866, 674799, 1349598, 2474263, 4948526, 7422789, 9672119, 14845578, 19344238, 29016357, 58032714, 106393309, 212786618, 319179927, 638359854]

約数ペア:

[(1, 638359854), (2, 319179927), (3, 212786618), (6, 106393309), (11, 58032714), (22, 29016357), (33, 19344238), (43, 14845578), (66, 9672119), (86, 7422789), (129, 4948526), (258, 2474263), (473, 1349598), (946, 674799), (1419, 449866), (1849, 345246), (2838, 224933), (3698, 172623), (5231, 122034), (5547, 115082), (10462, 61017), (11094, 57541), (15693, 40678), (20339, 31386)]