25007385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 43344000

約数和(自身を除く): 18336615

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 499, 771, 1285, 1497, 2495, 3341, 3855, 6487, 7485, 10023, 16705, 19461, 32435, 50115, 97305, 128243, 384729, 641215, 1667159, 1923645, 5001477, 8335795, 25007385]

約数ペア:

[(1, 25007385), (3, 8335795), (5, 5001477), (13, 1923645), (15, 1667159), (39, 641215), (65, 384729), (195, 128243), (257, 97305), (499, 50115), (771, 32435), (1285, 19461), (1497, 16705), (2495, 10023), (3341, 7485), (3855, 6487)]