12539905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 18374400

約数和(自身を除く): 5834495

約数列:

[1, 5, 7, 19, 35, 95, 109, 133, 173, 545, 665, 763, 865, 1211, 2071, 3287, 3815, 6055, 10355, 14497, 16435, 18857, 23009, 72485, 94285, 115045, 131999, 358283, 659995, 1791415, 2507981, 12539905]

約数ペア:

[(1, 12539905), (5, 2507981), (7, 1791415), (19, 659995), (35, 358283), (95, 131999), (109, 115045), (133, 94285), (173, 72485), (545, 23009), (665, 18857), (763, 16435), (865, 14497), (1211, 10355), (2071, 6055), (3287, 3815)]