72897404

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{907}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 129967488

約数和(自身を除く): 57070084

約数列:

[1, 2, 4, 71, 142, 283, 284, 566, 907, 1132, 1814, 3628, 20093, 40186, 64397, 80372, 128794, 256681, 257588, 513362, 1026724, 18224351, 36448702, 72897404]

約数ペア:

[(1, 72897404), (2, 36448702), (4, 18224351), (71, 1026724), (142, 513362), (283, 257588), (284, 256681), (566, 128794), (907, 80372), (1132, 64397), (1814, 40186), (3628, 20093)]