2199590978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{666139}}^1$

素因数の和:666281

約数の個数: 16

約数和(自身を含む): 3581168640

約数和(自身を除く): 1381577662

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 666139, 1332278, 8659807, 17319614, 84599653, 169199306, 1099795489, 2199590978]

約数ペア:

[(1, 2199590978), (2, 1099795489), (13, 169199306), (26, 84599653), (127, 17319614), (254, 8659807), (1651, 1332278), (3302, 666139)]