12747385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 19065600

約数和(自身を除く): 6318215

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 661, 665, 1015, 2755, 3305, 3857, 4627, 12559, 19169, 19285, 23135, 62795, 87913, 95845, 134183, 364211, 439565, 670915, 1821055, 2549477, 12747385]

約数ペア:

[(1, 12747385), (5, 2549477), (7, 1821055), (19, 670915), (29, 439565), (35, 364211), (95, 134183), (133, 95845), (145, 87913), (203, 62795), (551, 23135), (661, 19285), (665, 19169), (1015, 12559), (2755, 4627), (3305, 3857)]