1981148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 3857280

約数和(自身を除く): 1876132

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1229, 1612, 2458, 4916, 15977, 31954, 38099, 63908, 76198, 152396, 495287, 990574, 1981148]

約数ペア:

[(1, 1981148), (2, 990574), (4, 495287), (13, 152396), (26, 76198), (31, 63908), (52, 38099), (62, 31954), (124, 15977), (403, 4916), (806, 2458), (1229, 1612)]