261814284

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{52321}}^1$

素因数の和:52470

約数の個数: 36

約数和(自身を含む): 666582280

約数和(自身を除く): 404767996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 52321, 104642, 156963, 209284, 313926, 470889, 627852, 941778, 1883556, 7272619, 14545238, 21817857, 29090476, 43635714, 65453571, 87271428, 130907142, 261814284]

約数ペア:

[(1, 261814284), (2, 130907142), (3, 87271428), (4, 65453571), (6, 43635714), (9, 29090476), (12, 21817857), (18, 14545238), (36, 7272619), (139, 1883556), (278, 941778), (417, 627852), (556, 470889), (834, 313926), (1251, 209284), (1668, 156963), (2502, 104642), (5004, 52321)]