25480455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 54770688

約数和(自身を除く): 29290233

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1697, 2145, 3003, 5005, 5091, 8485, 11879, 15015, 18667, 22061, 25455, 35637, 56001, 59395, 66183, 93335, 110305, 130669, 154427, 178185, 242671, 280005, 330915, 392007, 463281, 653345, 728013, 772135, 1213355, 1698697, 1960035, 2316405, 3640065, 5096091, 8493485, 25480455]

約数ペア:

[(1, 25480455), (3, 8493485), (5, 5096091), (7, 3640065), (11, 2316405), (13, 1960035), (15, 1698697), (21, 1213355), (33, 772135), (35, 728013), (39, 653345), (55, 463281), (65, 392007), (77, 330915), (91, 280005), (105, 242671), (143, 178185), (165, 154427), (195, 130669), (231, 110305), (273, 93335), (385, 66183), (429, 59395), (455, 56001), (715, 35637), (1001, 25455), (1155, 22061), (1365, 18667), (1697, 15015), (2145, 11879), (3003, 8485), (5005, 5091)]