291244805

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 371226240

約数和(自身を除く): 79981435

約数列:

[1, 5, 43, 53, 61, 215, 265, 305, 419, 2095, 2279, 2623, 3233, 11395, 13115, 16165, 18017, 22207, 25559, 90085, 111035, 127795, 139019, 695095, 954901, 1099037, 1354627, 4774505, 5495185, 6773135, 58248961, 291244805]

約数ペア:

[(1, 291244805), (5, 58248961), (43, 6773135), (53, 5495185), (61, 4774505), (215, 1354627), (265, 1099037), (305, 954901), (419, 695095), (2095, 139019), (2279, 127795), (2623, 111035), (3233, 90085), (11395, 25559), (13115, 22207), (16165, 18017)]