128865454

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{1049}}^1$

素因数の和:1547

約数の個数: 16

約数和(自身を含む): 195048000

約数和(自身を除く): 66182546

約数列:

[1, 2, 239, 257, 478, 514, 1049, 2098, 61423, 122846, 250711, 269593, 501422, 539186, 64432727, 128865454]

約数ペア:

[(1, 128865454), (2, 64432727), (239, 539186), (257, 501422), (478, 269593), (514, 250711), (1049, 122846), (2098, 61423)]