2190256465

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 2782200960

約数和(自身を除く): 591944495

約数列:

[1, 5, 29, 67, 131, 145, 335, 655, 1721, 1943, 3799, 8605, 8777, 9715, 18995, 43885, 49909, 115307, 225451, 249545, 254533, 576535, 1127255, 1272665, 3343903, 6538079, 15105217, 16719515, 32690395, 75526085, 438051293, 2190256465]

約数ペア:

[(1, 2190256465), (5, 438051293), (29, 75526085), (67, 32690395), (131, 16719515), (145, 15105217), (335, 6538079), (655, 3343903), (1721, 1272665), (1943, 1127255), (3799, 576535), (8605, 254533), (8777, 249545), (9715, 225451), (18995, 115307), (43885, 49909)]