858674735

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 1088930304

約数和(自身を除く): 230255569

約数列:

[1, 5, 31, 61, 155, 197, 305, 461, 985, 1891, 2305, 6107, 9455, 12017, 14291, 28121, 30535, 60085, 71455, 90817, 140605, 372527, 454085, 871751, 1862635, 2815327, 4358755, 5539837, 14076635, 27699185, 171734947, 858674735]

約数ペア:

[(1, 858674735), (5, 171734947), (31, 27699185), (61, 14076635), (155, 5539837), (197, 4358755), (305, 2815327), (461, 1862635), (985, 871751), (1891, 454085), (2305, 372527), (6107, 140605), (9455, 90817), (12017, 71455), (14291, 60085), (28121, 30535)]