257408904

素因数分解:

$2^3\times 3^1\times {\mathrm{10725371}}^1$

素因数の和:10725380

約数の個数: 16

約数和(自身を含む): 643522320

約数和(自身を除く): 386113416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 10725371, 21450742, 32176113, 42901484, 64352226, 85802968, 128704452, 257408904]

約数ペア:

[(1, 257408904), (2, 128704452), (3, 85802968), (4, 64352226), (6, 42901484), (8, 32176113), (12, 21450742), (24, 10725371)]