253731247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 326592000

約数和(自身を除く): 72860753

約数列:

[1, 7, 11, 41, 77, 179, 287, 449, 451, 1253, 1969, 3143, 3157, 4939, 7339, 13783, 18409, 34573, 51373, 80371, 80729, 128863, 202499, 562597, 565103, 884081, 1417493, 3295211, 6188567, 23066477, 36247321, 253731247]

約数ペア:

[(1, 253731247), (7, 36247321), (11, 23066477), (41, 6188567), (77, 3295211), (179, 1417493), (287, 884081), (449, 565103), (451, 562597), (1253, 202499), (1969, 128863), (3143, 80729), (3157, 80371), (4939, 51373), (7339, 34573), (13783, 18409)]