257010444

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{51361}}^1$

素因数の和:51510

約数の個数: 36

約数和(自身を含む): 654351880

約数和(自身を除く): 397341436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 51361, 102722, 154083, 205444, 308166, 462249, 616332, 924498, 1848996, 7139179, 14278358, 21417537, 28556716, 42835074, 64252611, 85670148, 128505222, 257010444]

約数ペア:

[(1, 257010444), (2, 128505222), (3, 85670148), (4, 64252611), (6, 42835074), (9, 28556716), (12, 21417537), (18, 14278358), (36, 7139179), (139, 1848996), (278, 924498), (417, 616332), (556, 462249), (834, 308166), (1251, 205444), (1668, 154083), (2502, 102722), (5004, 51361)]