28215319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 32325120

約数和(自身を除く): 4109801

約数列:

[1, 11, 23, 229, 253, 487, 2519, 5267, 5357, 11201, 57937, 111523, 123211, 1226753, 2565029, 28215319]

約数ペア:

[(1, 28215319), (11, 2565029), (23, 1226753), (229, 123211), (253, 111523), (487, 57937), (2519, 11201), (5267, 5357)]