978142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 16

約数和(自身を含む): 1616112

約数和(自身を除く): 637970

約数列:

[1, 2, 11, 22, 173, 257, 346, 514, 1903, 2827, 3806, 5654, 44461, 88922, 489071, 978142]

約数ペア:

[(1, 978142), (2, 489071), (11, 88922), (22, 44461), (173, 5654), (257, 3806), (346, 2827), (514, 1903)]