25438365

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 46303920

約数和(自身を除く): 20865555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 101, 145, 193, 261, 303, 435, 505, 579, 909, 965, 1305, 1515, 1737, 2895, 2929, 4545, 5597, 8685, 8787, 14645, 16791, 19493, 26361, 27985, 43935, 50373, 58479, 83955, 97465, 131805, 175437, 251865, 292395, 565297, 877185, 1695891, 2826485, 5087673, 8479455, 25438365]

約数ペア:

[(1, 25438365), (3, 8479455), (5, 5087673), (9, 2826485), (15, 1695891), (29, 877185), (45, 565297), (87, 292395), (101, 251865), (145, 175437), (193, 131805), (261, 97465), (303, 83955), (435, 58479), (505, 50373), (579, 43935), (909, 27985), (965, 26361), (1305, 19493), (1515, 16791), (1737, 14645), (2895, 8787), (2929, 8685), (4545, 5597)]