258428.0000000

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{12907}}^1$

素因数の和:12932

約数の個数: 20

約数和(自身を含む): 7202664

約数和(自身を除く): 3691960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 12907, 25814, 51628, 103256, 206512, 219419, 438838, 877676, 1755352, 3510704]

約数ペア:

[(1, 3510704), (2, 1755352), (4, 877676), (8, 438838), (16, 219419), (17, 206512), (34, 103256), (68, 51628), (136, 25814), (272, 12907)]