313731938

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1\times {\mathrm{1471}}^1$

素因数の和:2130

約数の個数: 24

約数和(自身を含む): 510736896

約数和(自身を除く): 197004958

約数列:

[1, 2, 13, 26, 169, 338, 631, 1262, 1471, 2942, 8203, 16406, 19123, 38246, 106639, 213278, 248599, 497198, 928201, 1856402, 12066613, 24133226, 156865969, 313731938]

約数ペア:

[(1, 313731938), (2, 156865969), (13, 24133226), (26, 12066613), (169, 1856402), (338, 928201), (631, 497198), (1262, 248599), (1471, 213278), (2942, 106639), (8203, 38246), (16406, 19123)]