221159144

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{333071}}^1$

素因数の和:333160

約数の個数: 16

約数和(自身を含む): 419670720

約数和(自身を除く): 198511576

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 333071, 666142, 1332284, 2664568, 27644893, 55289786, 110579572, 221159144]

約数ペア:

[(1, 221159144), (2, 110579572), (4, 55289786), (8, 27644893), (83, 2664568), (166, 1332284), (332, 666142), (664, 333071)]