77839447

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 100224000

約数和(自身を除く): 22384553

約数列:

[1, 7, 17, 19, 119, 133, 173, 199, 323, 1211, 1393, 2261, 2941, 3287, 3383, 3781, 20587, 23009, 23681, 26467, 34427, 55879, 64277, 240989, 391153, 449939, 585259, 654113, 4096813, 4578791, 11119921, 77839447]

約数ペア:

[(1, 77839447), (7, 11119921), (17, 4578791), (19, 4096813), (119, 654113), (133, 585259), (173, 449939), (199, 391153), (323, 240989), (1211, 64277), (1393, 55879), (2261, 34427), (2941, 26467), (3287, 23681), (3383, 23009), (3781, 20587)]