261738137

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 306996480

約数和(自身を除く): 45258343

約数列:

[1, 17, 23, 29, 41, 391, 493, 563, 667, 697, 943, 1189, 9571, 11339, 12949, 16031, 16327, 20213, 23083, 27347, 220133, 277559, 375521, 392411, 464899, 530909, 669407, 6383857, 9025453, 11379919, 15396361, 261738137]

約数ペア:

[(1, 261738137), (17, 15396361), (23, 11379919), (29, 9025453), (41, 6383857), (391, 669407), (493, 530909), (563, 464899), (667, 392411), (697, 375521), (943, 277559), (1189, 220133), (9571, 27347), (11339, 23083), (12949, 20213), (16031, 16327)]