211326115

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42223}}^1$

素因数の和:42259

約数の個数: 32

約数和(自身を含む): 340494336

約数和(自身を除く): 129168221

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 42223, 211115, 295561, 464453, 548899, 1477805, 2322265, 2744495, 3251171, 3842293, 6037889, 16255855, 19211465, 30189445, 42265223, 211326115]

約数ペア:

[(1, 211326115), (5, 42265223), (7, 30189445), (11, 19211465), (13, 16255855), (35, 6037889), (55, 3842293), (65, 3251171), (77, 2744495), (91, 2322265), (143, 1477805), (385, 548899), (455, 464453), (715, 295561), (1001, 211115), (5005, 42223)]