201255265

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 272321280

約数和(自身を除く): 71066015

約数列:

[1, 5, 17, 41, 43, 79, 85, 205, 215, 289, 395, 697, 731, 1343, 1445, 1763, 3239, 3397, 3485, 3655, 6715, 8815, 11849, 12427, 16195, 16985, 22831, 29971, 55063, 57749, 59245, 62135, 114155, 139277, 149855, 275315, 288745, 509507, 696385, 936071, 981733, 2367709, 2547535, 4680355, 4908665, 11838545, 40251053, 201255265]

約数ペア:

[(1, 201255265), (5, 40251053), (17, 11838545), (41, 4908665), (43, 4680355), (79, 2547535), (85, 2367709), (205, 981733), (215, 936071), (289, 696385), (395, 509507), (697, 288745), (731, 275315), (1343, 149855), (1445, 139277), (1763, 114155), (3239, 62135), (3397, 59245), (3485, 57749), (3655, 55063), (6715, 29971), (8815, 22831), (11849, 16985), (12427, 16195)]