71782178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{21739}}^1$

素因数の和:21881

約数の個数: 16

約数和(自身を含む): 116874240

約数和(自身を除く): 45092062

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 21739, 43478, 282607, 565214, 2760853, 5521706, 35891089, 71782178]

約数ペア:

[(1, 71782178), (2, 35891089), (13, 5521706), (26, 2760853), (127, 565214), (254, 282607), (1651, 43478), (3302, 21739)]