281072090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{3373}}^1$

素因数の和:4034

約数の個数: 32

約数和(自身を含む): 545859216

約数和(自身を除く): 264787126

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 641, 1282, 3205, 3373, 6410, 6746, 8333, 16666, 16865, 33730, 41665, 43849, 83330, 87698, 219245, 438490, 2162093, 4324186, 10810465, 21620930, 28107209, 56214418, 140536045, 281072090]

約数ペア:

[(1, 281072090), (2, 140536045), (5, 56214418), (10, 28107209), (13, 21620930), (26, 10810465), (65, 4324186), (130, 2162093), (641, 438490), (1282, 219245), (3205, 87698), (3373, 83330), (6410, 43849), (6746, 41665), (8333, 33730), (16666, 16865)]