491522689

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 598461696

約数和(自身を除く): 106939007

約数列:

[1, 7, 37, 53, 61, 259, 371, 427, 587, 1961, 2257, 3233, 4109, 13727, 15799, 21719, 22631, 31111, 35807, 119621, 152033, 217777, 250649, 837347, 1151107, 1324859, 1897771, 8057749, 9274013, 13284397, 70217527, 491522689]

約数ペア:

[(1, 491522689), (7, 70217527), (37, 13284397), (53, 9274013), (61, 8057749), (259, 1897771), (371, 1324859), (427, 1151107), (587, 837347), (1961, 250649), (2257, 217777), (3233, 152033), (4109, 119621), (13727, 35807), (15799, 31111), (21719, 22631)]