261285631

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1279}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 282839040

約数和(自身を除く): 21553409

約数列:

[1, 17, 61, 197, 1037, 1279, 3349, 12017, 21743, 78019, 204289, 251963, 1326323, 4283371, 15369743, 261285631]

約数ペア:

[(1, 261285631), (17, 15369743), (61, 4283371), (197, 1326323), (1037, 251963), (1279, 204289), (3349, 78019), (12017, 21743)]