393512515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 576472320

約数和(自身を除く): 182959805

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 289, 323, 935, 1045, 1303, 1445, 1615, 3179, 3553, 5491, 6515, 14333, 15895, 17765, 22151, 24757, 27455, 60401, 71665, 110755, 123785, 243661, 272327, 302005, 376567, 420869, 1218305, 1361635, 1882835, 2104345, 4142237, 4629559, 7154773, 20711185, 23147795, 35773865, 78702503, 393512515]

約数ペア:

[(1, 393512515), (5, 78702503), (11, 35773865), (17, 23147795), (19, 20711185), (55, 7154773), (85, 4629559), (95, 4142237), (187, 2104345), (209, 1882835), (289, 1361635), (323, 1218305), (935, 420869), (1045, 376567), (1303, 302005), (1445, 272327), (1615, 243661), (3179, 123785), (3553, 110755), (5491, 71665), (6515, 60401), (14333, 27455), (15895, 24757), (17765, 22151)]