68881715

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 97790976

約数和(自身を除く): 28909261

約数列:

[1, 5, 7, 35, 53, 71, 265, 355, 371, 497, 523, 1855, 2485, 2615, 3661, 3763, 18305, 18815, 26341, 27719, 37133, 131705, 138595, 185665, 194033, 259931, 970165, 1299655, 1968049, 9840245, 13776343, 68881715]

約数ペア:

[(1, 68881715), (5, 13776343), (7, 9840245), (35, 1968049), (53, 1299655), (71, 970165), (265, 259931), (355, 194033), (371, 185665), (497, 138595), (523, 131705), (1855, 37133), (2485, 27719), (2615, 26341), (3661, 18815), (3763, 18305)]