251990316

素因数分解:

$2^2\times 3^2\times {\mathrm{6999731}}^1$

素因数の和:6999741

約数の個数: 18

約数和(自身を含む): 636975612

約数和(自身を除く): 384985296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 6999731, 13999462, 20999193, 27998924, 41998386, 62997579, 83996772, 125995158, 251990316]

約数ペア:

[(1, 251990316), (2, 125995158), (3, 83996772), (4, 62997579), (6, 41998386), (9, 27998924), (12, 20999193), (18, 13999462), (36, 6999731)]