17205122425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 22852537344

約数和(自身を除く): 5647414919

約数列:

[1, 5, 17, 25, 85, 181, 191, 425, 905, 955, 1171, 3077, 3247, 4525, 4775, 5855, 15385, 16235, 19907, 29275, 34571, 76925, 81175, 99535, 172855, 211951, 223661, 497675, 587707, 864275, 1059755, 1118305, 2938535, 3603167, 3802237, 5298775, 5591525, 14692675, 18015835, 19011185, 40482641, 90079175, 95055925, 202413205, 688204897, 1012066025, 3441024485, 17205122425]

約数ペア:

[(1, 17205122425), (5, 3441024485), (17, 1012066025), (25, 688204897), (85, 202413205), (181, 95055925), (191, 90079175), (425, 40482641), (905, 19011185), (955, 18015835), (1171, 14692675), (3077, 5591525), (3247, 5298775), (4525, 3802237), (4775, 3603167), (5855, 2938535), (15385, 1118305), (16235, 1059755), (19907, 864275), (29275, 587707), (34571, 497675), (76925, 223661), (81175, 211951), (99535, 172855)]