320988926

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1\times {\mathrm{1087}}^1$

素因数の和:1536

約数の個数: 24

約数和(自身を含む): 509869440

約数和(自身を除く): 188880514

約数列:

[1, 2, 19, 38, 361, 409, 722, 818, 1087, 2174, 7771, 15542, 20653, 41306, 147649, 295298, 392407, 444583, 784814, 889166, 8447077, 16894154, 160494463, 320988926]

約数ペア:

[(1, 320988926), (2, 160494463), (19, 16894154), (38, 8447077), (361, 889166), (409, 784814), (722, 444583), (818, 392407), (1087, 295298), (2174, 147649), (7771, 41306), (15542, 20653)]