278491836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3315379}}^1$

素因数の和:3315393

約数の個数: 24

約数和(自身を含む): 742645120

約数和(自身を除く): 464153284

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3315379, 6630758, 9946137, 13261516, 19892274, 23207653, 39784548, 46415306, 69622959, 92830612, 139245918, 278491836]

約数ペア:

[(1, 278491836), (2, 139245918), (3, 92830612), (4, 69622959), (6, 46415306), (7, 39784548), (12, 23207653), (14, 19892274), (21, 13261516), (28, 9946137), (42, 6630758), (84, 3315379)]