12985931

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 15934464

約数和(自身を除く): 2948533

約数列:

[1, 7, 31, 49, 83, 103, 217, 581, 721, 1519, 2573, 3193, 4067, 5047, 8549, 18011, 22351, 59843, 126077, 156457, 265019, 418901, 1855133, 12985931]

約数ペア:

[(1, 12985931), (7, 1855133), (31, 418901), (49, 265019), (83, 156457), (103, 126077), (217, 59843), (581, 22351), (721, 18011), (1519, 8549), (2573, 5047), (3193, 4067)]