217630768

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{120371}}^1$

素因数の和:120492

約数の個数: 20

約数和(自身を含む): 425394648

約数和(自身を除く): 207763880

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 120371, 240742, 481484, 962968, 1925936, 13601923, 27203846, 54407692, 108815384, 217630768]

約数ペア:

[(1, 217630768), (2, 108815384), (4, 54407692), (8, 27203846), (16, 13601923), (113, 1925936), (226, 962968), (452, 481484), (904, 240742), (1808, 120371)]