64168377

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 112896000

約数和(自身を除く): 48727623

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 89, 91, 133, 139, 247, 267, 273, 399, 417, 623, 741, 973, 1157, 1691, 1729, 1807, 1869, 2641, 2919, 3471, 5073, 5187, 5421, 7923, 8099, 11837, 12371, 12649, 18487, 21983, 24297, 34333, 35511, 37113, 37947, 55461, 65949, 86597, 102999, 153881, 160823, 235049, 240331, 259791, 461643, 482469, 705147, 720993, 1125761, 1645343, 3055637, 3377283, 4936029, 9166911, 21389459, 64168377]

約数ペア:

[(1, 64168377), (3, 21389459), (7, 9166911), (13, 4936029), (19, 3377283), (21, 3055637), (39, 1645343), (57, 1125761), (89, 720993), (91, 705147), (133, 482469), (139, 461643), (247, 259791), (267, 240331), (273, 235049), (399, 160823), (417, 153881), (623, 102999), (741, 86597), (973, 65949), (1157, 55461), (1691, 37947), (1729, 37113), (1807, 35511), (1869, 34333), (2641, 24297), (2919, 21983), (3471, 18487), (5073, 12649), (5187, 12371), (5421, 11837), (7923, 8099)]