260045305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 355904640

約数和(自身を除く): 95859335

約数列:

[1, 5, 13, 19, 65, 95, 193, 247, 965, 1091, 1235, 2509, 3667, 5455, 12545, 14183, 18335, 20729, 47671, 70915, 103645, 210563, 238355, 269477, 1052815, 1347385, 2737319, 4000697, 13686595, 20003485, 52009061, 260045305]

約数ペア:

[(1, 260045305), (5, 52009061), (13, 20003485), (19, 13686595), (65, 4000697), (95, 2737319), (193, 1347385), (247, 1052815), (965, 269477), (1091, 238355), (1235, 210563), (2509, 103645), (3667, 70915), (5455, 47671), (12545, 20729), (14183, 18335)]