221301929

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1291}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 240001920

約数和(自身を除く): 18699991

約数列:

[1, 23, 29, 257, 667, 1291, 5911, 7453, 29693, 37439, 171419, 331787, 861097, 7631101, 9621823, 221301929]

約数ペア:

[(1, 221301929), (23, 9621823), (29, 7631101), (257, 861097), (667, 331787), (1291, 171419), (5911, 37439), (7453, 29693)]