217992042

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{28099}}^1$

素因数の和:28538

約数の個数: 24

約数和(自身を含む): 473428800

約数和(自身を除く): 255436758

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2586, 3879, 7758, 28099, 56198, 84297, 168594, 252891, 505782, 12110669, 24221338, 36332007, 72664014, 108996021, 217992042]

約数ペア:

[(1, 217992042), (2, 108996021), (3, 72664014), (6, 36332007), (9, 24221338), (18, 12110669), (431, 505782), (862, 252891), (1293, 168594), (2586, 84297), (3879, 56198), (7758, 28099)]